St Johns Wort - Flowers and Herbs

St Johns Wort (Hypericum perforatum)

St Johns wort is a perennial flowering herb with starry yellow blossoms and upright branching stems. Native to Europe, western Asia, and North Africa and now widely naturalized in North America, it has long been associated with midsummer harvest traditions and classic herbal preparations.

The flowering tops were traditionally prepared in oils, tinctures, and teas, and the plant became especially well known in European folk herbalism. Its bright flowers and long cultural history continue to make it one of the most recognizable herbs in traditional botanical writing.

Botanical Overview

Botanical name: Hypericum perforatum
Family: Hypericaceae
Plant type: Perennial flowering herb
Native region: Europe, western Asia, and North Africa
Common names: St Johns wort, common St Johns wort, perforate St Johns wort

Traditional & Common Uses

St Johns wort has traditionally been used to support:

Infused herbal oils
Seasonal midsummer preparations
Traditional flowering-top tinctures
Household botanical blends
Classic European herbal practice

St Johns wort has a long association with midsummer harvests and European folk traditions where the flowering tops were gathered for oils, tinctures, and household preparations. It remains one of the classic herbs of seasonal botanical practice and old herbal literature.

St Johns wort has long been linked with midsummer herbal traditions and classic flowering-top preparations.

– Traditional herbal reference

Preparation Methods

St Johns wort can be prepared in several traditional ways:

Infused Oil

Fresh or freshly wilted flowering tops are commonly infused into oil for traditional external herbal preparations.

Part of the plant used: Flowering tops

Herbal Tea

The dried flowering tops may be steeped in hot water to prepare a traditional herbal infusion.

Part of the plant used: Flowering tops

Tincture

The flowering tops may be extracted in alcohol for use in concentrated herbal preparations.

Part of the plant used: Flowering tops

Salve or Balm

Infused oil may be combined with beeswax to create a traditional herbal balm for external applications.

Part of the plant used: Flowering tops

Growing St Johns Wort

St Johns wort is a hardy perennial herb that grows upright and produces bright yellow flowers through the warm season. It can adapt to a range of garden conditions and is often grown in informal herb plantings and dry borders.

Prefers full sun to light partial shade
Grows best in well-drained soil
Tolerates dry conditions once established
Suitable for USDA hardiness zones 4-9 in the United States
Commonly grown in temperate regions and sunny open sites

Once established, St Johns wort may spread gradually and can naturalize in some areas if conditions are favorable.

Safety Considerations

St Johns wort should be used thoughtfully, especially in concentrated herbal preparations.

However:

People taking medications should consult a qualified healthcare professional before use.
Use caution with sun exposure when using certain concentrated preparations.
Pregnant or breastfeeding individuals should seek professional guidance before using herbal supplements.
Discontinue use if irritation or sensitivity occurs.

This information is provided for educational purposes only and is not medical advice.

Traditional & Common Uses

St Johns wort has traditionally been used to support:

Infused herbal oils
Seasonal midsummer preparations
Traditional flowering-top tinctures
Household botanical blends
Classic European herbal practice

St Johns wort has long been linked with midsummer herbal traditions and classic flowering-top preparations.

– Traditional herbal reference

Preparation Methods

St Johns wort can be prepared in several traditional ways:

Infused Oil

Fresh or freshly wilted flowering tops are commonly infused into oil for traditional external herbal preparations.

Part of the plant used: Flowering tops

Herbal Tea

The dried flowering tops may be steeped in hot water to prepare a traditional herbal infusion.

Part of the plant used: Flowering tops

Tincture

The flowering tops may be extracted in alcohol for use in concentrated herbal preparations.

Part of the plant used: Flowering tops

Salve or Balm

Infused oil may be combined with beeswax to create a traditional herbal balm for external applications.

Part of the plant used: Flowering tops

Growing St Johns Wort

Prefers full sun to light partial shade
Grows best in well-drained soil
Tolerates dry conditions once established
Suitable for USDA hardiness zones 4-9 in the United States
Commonly grown in temperate regions and sunny open sites

Once established, St Johns wort may spread gradually and can naturalize in some areas if conditions are favorable.

Safety Considerations

St Johns wort should be used thoughtfully, especially in concentrated herbal preparations.

However:

People taking medications should consult a qualified healthcare professional before use.
Use caution with sun exposure when using certain concentrated preparations.
Pregnant or breastfeeding individuals should seek professional guidance before using herbal supplements.
Discontinue use if irritation or sensitivity occurs.

This information is provided for educational purposes only and is not medical advice.

Frequently Asked Questions

What is St John's wort traditionally used for?

St John's wort has traditional use in herbal medicine for nervous system support and is also widely used externally in infused oils for the skin and body.

Which part of St John's wort is used?

The flowering tops are the main part used. These are often harvested when the plant is in bloom.

How is St John's wort commonly prepared?

St John's wort is commonly prepared as tincture, tea, capsules, and infused oil. The infused oil is a well-known traditional topical preparation.

Can St John's wort be used on the skin?

Yes, St John's wort infused oil is traditionally used externally in balms and oils. It is one of the best-known topical herbal uses of the plant.

Does St John's wort interact with medications?

Yes, St John's wort is well known for potential medication interactions. Anyone taking medicines should seek professional advice before internal use.

Can St Johns Wort be grown in the United States?

St. John's wort grows in many parts of the United States, especially in sunny fields, roadsides, and open ground in northern and temperate regions. It can sometimes be foraged where it is legal, but careful identification is important because other Hypericum species may grow nearby.