Spilling the Tea on Growing St. John’s Wort

Table of Contents


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Welcome to our complete guide on growing the versatile and medicinal St. John’s wort plant. Whether you’re a seasoned gardener or a curious beginner, this guide is your go-to resource for everything you need to know about cultivating and harvesting this sun-loving herb.

Benefits of Growing Your Own St. John’s wort

  • Can help alleviate mild to moderate depression and anxiety
  • May improve symptoms of premenstrual syndrome (PMS)
  • May have anti-inflammatory effects, helping with conditions such as rheumatoid arthritis
  • Topical application can aid in healing of minor wounds and burns
  • Can be brewed as a tea for medicinal purposes
  • Growing at home ensures plant is organic and free of harmful chemicals and pesticides
  • Can be used as a decorative plant in landscaping

General Information About St. John’s wort

Plant Family: Hypericaceae
Plant Latin Name: Hypericum perforatum

Plant Variations Available

St. John’s wort is a popular and widely-used natural herbal supplement that is believed to have potential medicinal qualities. Also known by its scientific name – Hypericum perforatum – it is a perennial flowering plant that is native to a number of countries, including the United States and Europe.


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One of the main uses for St. John’s wort is in the treatment of mild to moderate depression. The herb is thought to work by increasing the availability of certain neurotransmitters in the brain that are responsible for regulating mood. Some studies have suggested that it may be as effective as prescription antidepressants, although more research is needed to confirm this.

However, St. John’s wort can also have side effects and interact with certain medications, so it is important to speak with a healthcare professional before taking it. For instance, it can affect the way the body metabolizes prescription drugs, making them less effective or potentially causing dangerous interactions.

There are various forms of St. John’s wort, including capsules, tablets, tinctures, and teas. The potency can also vary depending on the specific product, so it is important to follow recommended dosages and consult with a healthcare professional.

Overall, St. John’s wort has potential as an alternative or complementary treatment for certain conditions, but it should be used with caution and under the guidance of a medical professional.

Germinating St. John’s wort

Preferred Zones

St. John’s wort is a medicinal plant that has been used for centuries to treat a variety of ailments, including depression and anxiety. It is also known for its ability to promote relaxation and improve mood.


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If you are looking to grow St. John’s wort outdoors, there are certain zones that are better suited for this plant than others. St. John’s wort thrives in zones 5-9, which includes most of the United States except for the coldest and hottest parts.

In these zones, St. John’s wort can be grown in full sun or partial shade, although it tends to do best in areas that receive at least six hours of direct sunlight per day. The soil should be well-draining and slightly alkaline, with a pH around 7.5.

It is important to note that St. John’s wort can be an invasive species, so it is recommended that you contain it in a designated area or use a barrier to prevent it from spreading beyond where you want it to grow.

Overall, if you live in zones 5-9 and are looking to grow St. John’s wort outdoors, it is important to choose a sunny location with well-draining soil and to work to prevent any unwanted spreading.

Sowing Instructions

So you want to sow St. John’s wort, eh? Well, lucky for you, this resilient little beauty is quite easy to grow! Here are the best methods and procedures for successful sowing:

1. Choose your planting location wisely. St. John’s wort prefers well-drained soil and full sun, so find a spot in your garden that meets those criteria. If you’re planting in a pot, make sure it has a drainage hole.

2. Prepare your soil. Remove any weeds or rocks from the area and loosen up the soil with a garden fork. You can add some compost or aged manure to improve the soil quality, but St. John’s wort doesn’t require a lot of fertilizer.

3. Decide on your sowing method. St. John’s wort can be started from seed or from cuttings. If you’re starting from seed, sprinkle them lightly on the soil surface and gently press them down. If you’re using cuttings, make sure they’re at least 3-4 inches long and bury them about 1/3 of the way into the soil.

4. Water your seeds/cuttings. Use a gentle misting spray to water the area, being careful not to dislodge the seeds or cuttings. Keep the soil consistently moist, but not saturated.

5. Be patient. St. John’s wort can take several weeks to germinate, so don’t get discouraged if you don’t see any growth right away. Once your plants are established, they’ll typically grow about 1-2 feet tall and bloom in mid-summer to early fall.

6. Take care of your plants. St. John’s wort is generally low-maintenance, but you’ll want to keep an eye out for any pests or diseases. You can prune back the plants in the fall to encourage new growth next season.

So there you have it – the best methods and procedures for sowing St. John’s wort. With a little patience and care, you’ll soon have a lovely addition to your garden or patio!

Preparation Advice

If you’re looking to get started on growing St. John’s wort, congratulations! You’re about to embark on a journey of discovering the many benefits of this amazing plant, known for its bright yellow flowers and natural mood-boosting properties.

Before you start prepping your garden or indoor growing space, here are some helpful tips on the best methods and equipment you’ll need for a successful St. John’s wort harvest:


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1. Choose the right location: St. John’s wort prefers sunny areas with well-drained soil. Make sure your growing space gets at least 6 hours of direct sunlight a day, and that the soil is fertile and well-draining.

2. Invest in high-quality seeds: Starting with good-quality seeds is the foundation for a productive St. John’s wort garden. Seek out reputable seed sources and try to get seeds from the most recent harvest.

3. Use nutrient-rich soil: St. John’s wort thrives in soil that is high in nutrients, particularly nitrogen and phosphorus. Consider using compost or organic fertilizers to enrich your soil.

4. Water consistently: St. John’s wort needs to be watered consistently, but not overwatered, to avoid root rot. Aim to keep the soil moist, but not soaked.

5. Protect from pests: St. John’s wort is relatively pest-resistant, but it may still fall victim to pests like aphids or spider mites. Monitor your plants closely and use organic pesticides if necessary.

6. Harvest at the right time: St. John’s wort flowers should be harvested when they are in full bloom, typically in late June to early July. You can also harvest the leaves and stems throughout the growing season.


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7. Invest in quality harvesting equipment: To ensure a productive harvest, invest in quality harvesting equipment like sharp pruning shears and gloves to protect your hands.

By following these guidelines and investing in high-quality seeds and equipment, you’ll be well on your way to growing a bountiful St. John’s wort harvest. Good luck, and happy growing!

Germination Tools and Equipment

Germinating healthy St. John’s Wort plants can be a challenge, but with the proper tools and equipment, it can be a rewarding experience. Here are some of the best items to make your germination process go smoothly:

1. High-Quality Soil – The soil you use for germinating your St. John’s Wort plants should be rich in nutrients and have excellent drainage. A good starting mix can be made for the plants by combining peat moss and perlite in equal proportions.

2. Fertilizer – A high-quality fertilizer will provide the nutrients that your plants need to grow healthily. It would help if you fertilized the soil every two weeks after sprouting with a low-nitrogen fertilizer.


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3. Planting Trays – Planting trays provide ample space for your seedlings to grow and develop healthy and strong roots. They also make it easy to transport your plants while reducing the risk of damage.

4. Seeds – When purchasing seeds, be sure to get high-quality certified organic St. John’s Wort seeds. These seeds will have the best germination rate.

5. Sterilized Seedling Pots – Sterilized pots help to promote healthy germination and limit disease from spreading.

6. Watering Can and Mister – A watering can and mister must have an adequate supply of water for your plants’ growth without drowning them. A mist spray can be used to moisten the soil.

7. Grow Lights – Grow lights are essential if you plan on germinating indoors. These lights should be a full-spectrum light bulb capable of mimicking natural sunlight.

By acquiring these tools and equipment, you’ll have all the necessary components to successfully germinate healthy St. John’s Wort plants. Happy gardening!

Growing St. John’s wort

Light Requirements

St. John’s wort is a beautiful and useful plant, known for its medicinal properties that can help relieve symptoms of depression, anxiety, and other ailments. To ensure that your St. John’s wort thrives to its full potential, it’s important to provide it with the right amount and type of lighting.

St. John’s wort prefers full sun, but can also tolerate partial shade. It needs at least 6 hours of direct sunlight every day to grow strong and healthy. If you live in an area that doesn’t receive enough sunlight or have limited outdoor space, you can also grow St. John’s wort indoors with grow lights.


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When choosing grow lights for St. John’s wort, it’s essential to opt for those that emit a full spectrum of light, including red and blue wavelengths. Red light encourages plant growth and flowering, while blue light is important for leaf development. A combination of both stimulates healthy St. John’s wort growth.

Moreover, it’s important to position the grow lights at the right distance from the plant to avoid scorching or straining the delicate leaves. A height of about 12 inches from the plant is ideal.

In summary, providing St. John’s wort with full sun or adequate grow lights with a full spectrum of light and positioning them at the right distance can ensure a healthy and robust plant. Happy growing!

Temperature Requirements

St. John’s wort is a popular herb that has been used for centuries to improve overall health and well-being. It is also known for its medicinal properties and is commonly used to treat a variety of ailments, including anxiety, depression, and nerve pain. However, to grow healthy St. John’s wort, it is important to pay attention to its temperature requirements.

St. John’s wort is a hardy plant that can grow in a variety of climates, but it does have some specific temperature requirements. Typically, St. John’s wort requires a warm, temperate climate to thrive. It needs a minimum temperature of around 50°F (10°C) to grow properly, but it can also tolerate temperatures up to around 85°F (30°C). However, it is important to note that St. John’s wort may not grow well in extreme heat or cold.

When grown in the right temperature conditions, St. John’s wort can bloom twice a year, in the spring and in the fall. This plant requires plenty of sunshine and well-drained soil, as it does not tolerate wet roots. Additionally, it grows best in soil with a pH between 5.5-7.5.

In conclusion, maintaining the proper temperature for St. John’s wort is crucial in growing healthy, flourishing plants. Though it can tolerate a range of temperatures, it needs a warm and temperate climate with plenty of sunshine and well-drained soil. By taking these steps to create ideal growing conditions, you can enjoy the benefits of St. John’s wort for years to come.

My Favorite Tools For Growing St. John’s wort

When it comes to caring for and maintaining healthy St. John’s wort, having the right tools and equipment is essential. Here are some of the best tools you should consider investing in:


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1. Pruning shears: St. John’s wort benefits greatly from being pruned regularly. Pruning shears make it easy to trim back any dead or damaged growth.

2. Watering can: St. John’s wort requires well-draining soil, but it also needs to be watered regularly to promote healthy growth. A good watering can will help you keep your plants hydrated without overwatering.

3. Fertilizer: St. John’s wort responds well to regular fertilization, which is essential to keep the plant looking vibrant and healthy.

4. Gardening gloves: While St. John’s wort is generally a low-maintenance plant, it’s always a good idea to wear gloves while handling it as some people may experience skin irritation.


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5. Protection from pests: St. John’s wort can be susceptible to aphids and other insect pests. It’s essential to have insecticides on hand so you can deal with any pest problems that arise.

By having these tools and equipment at the ready, you can ensure that your St. John’s wort stays healthy and produces plenty of lovely yellow flowers. Happy gardening!

Preferred Soil Type

St. John’s wort is a beautiful and popular herb that is commonly used for its medicinal properties. The secret to successfully growing healthy St. John’s wort lies in the soil. This herb requires well-draining soil that is rich in organic matter. St. John’s wort is known to prefer slightly acidic soil, with a pH between 5.5 and 7.0. Be sure to fertilize the soil properly using organic matter, such as compost or manure, to promote nutrient-rich soil. Additionally, St. John’s wort prefers soil that is moist but not overly wet, so be sure to water it regularly, but not too much. With the proper soil preparation and care, you can grow healthy and flourishing St. John’s wort plants that will provide you with years of benefits.

Watering Requirements

St. John’s wort is a beautiful and hardy plant that is known for its medicinal properties. In order to grow healthy St. John’s wort, it’s important to understand its watering requirements.

Firstly, it’s important to note that St. John’s wort prefers to grow in well-drained soil. This means that you don’t want the soil to become overly saturated with water. In fact, too much water can cause root rot and other issues. So, it’s crucial to avoid over-watering your St. John’s wort.

Instead, it’s best to water your St. John’s wort deeply but infrequently. This means that you should water your plant thoroughly, allowing the soil to absorb water to a depth of about 6 inches. Then, allow the soil to dry out somewhat before watering again. This method can be a bit tricky because it requires you to strike a balance between keeping the soil moist but not waterlogged. As a general rule, you can aim to water your St. John’s wort once a week during the growing season.

During the winter months, St. John’s wort goes dormant and requires less water. In fact, you should allow the soil to dry out almost completely between waterings. This will help ensure that your plant remains healthy and doesn’t become too stressed during the colder months.

Finally, it’s worth noting that St. John’s wort can be somewhat sensitive to water quality. If your tap water is particularly hard or contains a lot of chemicals, it’s worth using filtered water instead. This will help ensure that the plant is getting just the right amount of nutrients from the water, without any unnecessary chemicals or minerals.

What You Need To Know About Fertilizing St. John’s wort

St. John’s wort is a beautiful and hardy plant that thrives in a variety of soil types and climates. To ensure optimal growth and health, it is important to provide the right fertilizing requirements.

St. John’s wort benefits greatly from a good dose of organic, slow-release fertilizer in the early spring before new growth appears. This can be a mixture of compost, manure or any other natural materials that are high in nitrogen, phosphorus, and potassium.

During the growing season, a top dressing of compost and mulch around the base of the plant can provide additional nutrients to the roots and help retain moisture in the soil. Be sure to avoid getting compost or other fertilizers on the leaves or flowers, as this could cause burning or other damage.

St. John’s wort is also known to benefit from regular applications of liquid fertilizer, especially during periods of rapid growth. This can be a mix of fish emulsion, seaweed extract or other liquid fertilizers that are high in micro-nutrients and trace elements.


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It is important to note that St. John’s wort is known for its sensitivity to chemical fertilizers, herbicides, and pesticides. Whenever possible, try to use natural or organic fertilizers and avoid using any harsh chemicals that could damage the plant or negatively impact the environment.

In summary, St. John’s wort benefits from a mix of organic, slow-release fertilizers, top dressing of compost and mulch, and regular applications of liquid fertilizer. By following these fertilizing requirements, you can ensure healthy growth and blooming of this beautiful plant.

My Favorite Fertilizers For St. John’s wort

St. John’s wort is a beautiful plant that can add a touch of sunshine to any garden. But, like any other plant, it needs essential nutrients to grow and thrive. That’s where fertilizers come in.

When it comes to the best fertilizers for St. John’s wort, there are a few options to consider. One of the most popular choices is a balanced 10-10-10 fertilizer. This type of fertilizer contains equal parts of nitrogen, phosphorus, and potassium, which are essential for healthy plant growth.

Another great option is a slow-release fertilizer. Slow-release fertilizers provide a steady supply of nutrients to the plant over an extended period, which can help prevent over-fertilization and promote healthy, sustained growth.

Organic fertilizers are also a great choice for St. John’s wort. These fertilizers are made from natural materials and can help promote healthy soil and a thriving ecosystem. Examples of organic fertilizers include bone meal, fish emulsion, and compost.

No matter what type of fertilizer you choose, it’s essential to apply it correctly. Follow the package instructions carefully and avoid over-fertilizing, as this can harm the plant. With the right fertilizer and care, your St. John’s wort will flourish and add beauty to your garden for years to come.

Harvesting St. John’s wort

Time To Maturity

St. John’s wort, also known as Hypericum perforatum, is a hardy, perennial plant native to Europe and Asia. It is widely cultivated for its therapeutic properties and is popularly used in traditional medicine to treat various ailments. If you are planning to grow St. John’s wort, it’s important to know how much time it takes to go from sprouting to maturity.

St. John’s wort has a slow germination process, which can take up to a month to show the first signs of growth. Once it has sprouted, it will take around three to four years to reach maturity. During this time, the plant will grow slowly, developing a sturdy stem, long and pointed leaves that have small black dots on them and numerous yellow flowers. As the plant matures, it will become thicker, taller, and more robust, and it can reach heights of up to three feet.

To achieve optimal growth and maturity, St. John’s wort requires well-drained soil in full sun or partial shade. You should also water it regularly, especially during the dry months, and prune it back in the spring to encourage new growth. Once the plant has reached maturity, you can harvest the flowers and leaves to make extracts or infusions that you can use for medicinal purposes.

In conclusion, if you intend to grow St. John’s wort, it’s crucial to be patient and allow the plant time to mature fully. Although it can take several years to reach maturity, the wait is well worth it because this robust plant has numerous therapeutic benefits and can be used in various ways.

Harvest Instructions

Harvesting St. John’s Wort

St. John’s wort is a flowering plant that is commonly used for medicinal purposes. The plant is a natural remedy for depression and anxiety and also has antiviral and anti-inflammatory properties. If you’re interested in harvesting St. John’s wort, follow these steps:

Step 1: Identify the plant

St. John’s wort is a perennial plant that grows from 1 to 3 feet tall. Its leaves are oval-shaped and yellow-green in color, while its flowers are bright yellow and bloom from June to August. You can find St. John’s wort in fields, meadows, and along roadsides.

Step 2: Choose the right time to harvest

The best time to harvest St. John’s wort is during dry weather in mid to late summer. Ensure that the plant has fully bloomed and that the flowers are at their peak.

Step 3: Gather the tools you’ll need

Before you start harvesting, gather the tools you’ll need, including a pair of sharp scissors, a basket or a paper bag, and some gloves.


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Step 4: Cut the flowers

Cut the flowers with scissors, leaving about an inch of stem attached. Cut only the flowers that are in their prime – those that are fully opened and the buds that are about to open.

Step 5: Dry the flowers

Once you’ve collected the flowers, spread them out in a single layer in a cool, dry, and airy place. A shaded space with good airflow is ideal. Turn the flowers regularly and avoid sunlight, which can reduce their potency. The flowers will take one to two weeks to dry completely.

Step 6: Store the dried flowers

Once the flowers are dry, store them in a clean, dry, and airtight container. Keep the container in a cool, dry, and dark place. The dried flowers will remain potent for up to two years.

Harvesting St. John’s wort is a simple process that requires just a few tools and a little patience. By following these steps, you can ensure that your harvested flowers will be of the highest quality and potency when used for medicinal purposes.

My Favorite Tools For Harvest Time

When it comes to harvesting St. John’s wort, it’s important to have the right tools and equipment to ensure a successful and efficient harvest. Here are some of the best tools and equipment you will need:

1. Harvesting knife – A sharp harvesting knife will be your best friend when it comes to harvesting St. John’s wort. It will help you cut through the thick stems and leaves with ease, allowing you to collect as much of the plant as possible.

2. Pruning shears – If you plan on harvesting a large amount of St. John’s wort, a sturdy pair of pruning shears can be a huge help. They’re great for cutting through thicker stems and can help speed up the harvesting process.

3. Gloves – St. John’s wort can be a bit prickly and irritating to the skin, so it’s important to wear gloves while harvesting. Look for a pair of gloves that are lightweight, durable, and provide good grip.

4. Basket or bag – You’ll need something to collect your St. John’s wort in, so bring along a sturdy basket or bag. Make sure it’s large enough to hold all of the plants you plan on harvesting.

5. Sun hat and sunscreen – Since St. John’s wort grows in sunny areas, it’s important to protect yourself from the sun’s harmful UV rays. Wear a sun hat and apply sunscreen before heading out to harvest.

By using these tools and equipment, you’ll be well-equipped for a successful St. John’s wort harvest. Remember to be respectful of the plants and the environment, and to always follow proper harvesting practices. Happy harvesting!

End of Season & Overwintering

St. John’s wort is a popular herb that is used for its medicinal properties. It has small, bright yellow flowers and is often used to help alleviate symptoms of depression and anxiety.

If you are growing St. John’s wort outdoors, it is important to be aware of its end of season care requirements. As the colder months approach, you should start to prepare your plant for the winter.

One of the best things you can do for your St. John’s wort plant is to prune it back in the fall. This will help to promote healthy new growth when the weather warms up again in the spring. You should also remove any dead or damaged leaves from the plant to prevent disease from spreading.

If you live in a particularly cold area, you may want to consider mulching around the base of your St. John’s wort plant. This will help to insulate the roots and protect them from freezing temperatures.

If you are growing St. John’s wort indoors, it is important to keep it in a cool, dark place during the winter months. This will help to promote growth and ensure that the plant remains healthy.

With a little bit of care and attention, your St. John’s wort plant will thrive and continue to provide you with its many health benefits. So be sure to take the time to properly care for your plant as the seasons change and you’ll be rewarded with beautiful, healthy growth year after year.

Final Thoughts on St. John’s wort

Congratulations, you have reached the end of our comprehensive guide to germinating, growing, and harvesting St. John’s wort! We hope you found this guide helpful and informative, and we’re excited to hear about your success in growing this beneficial herb.

As you learned, germinating St. John’s wort seeds can be a bit finicky, but it’s worth the effort to obtain fresh, viable seeds and carefully follow the steps for successful germination.

Once your St. John’s wort plants are established, they are relatively low maintenance, but it’s important to provide them with well-draining soil, regular watering, and plenty of sunlight. Regular pruning will help to prevent overgrowth and encourage healthy, bushy growth.

When it comes time to harvest your St. John’s wort, be sure to wait until the flowers are in full bloom and then carefully cut the stems and leaves for drying. Properly dried St. John’s wort can be used to make tea, tinctures, oils, and more, with numerous health benefits ranging from reducing inflammation to relieving mild depression.

We hope this guide has inspired you to try growing St. John’s wort for yourself and discover the many benefits of this amazing herb. Happy growing!

Frequently Asked Questions About Growing St. John’s wort

Q1: What kind of soil does St. John’s wort require to grow healthy and strong?
A1: St. John’s wort prefers well-draining soils that are fertile, loamy or sandy, and slightly alkaline. It’s important to avoid heavy, wet soils that lead to root rot.

Q2: How much sunlight does St. John’s wort need to thrive?
A2: St. John’s wort loves to bask in full sunlight for at least 6-8 hours per day. However, it can also tolerate partial shade if necessary.

Q3: How do you propagate St. John’s wort?
A3: St. John’s wort can be propagated by division or by taking stem cuttings in spring or early summer. Simply cut 4-inch sections of healthy stems, remove the leaves from the bottom, dip the cut ends in rooting hormone, and plant in a potting mix. Keep the soil moist and keep the cuttings in a bright, warm spot until roots develop.

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