Hairy St John's-wort
ExplorePlants
Hairy St John's-wort
Hypericum hirsutum
Hairy St John's-wort is a cheerful yellow flower that grows in sunny places. Its bright blooms can be found in fields and meadows, making them a lovely sight to see!
Habitat: Grasslands
Appearance
The Hairy St John's-wort has upright, hairy stems and small, oval leaves also covered in soft hairs. Its bright yellow, five-petalled flowers often have tiny black dots along their edges, which sets them apart.
KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderMalpighialesFamilyHypericaceaeGenusHypericum
Category
PlantsRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
Ancient people believed carrying St. John's-wort could ward off bad luck!
Its unique 'hairy' texture helps it stand out from other similar yellow wildflowers!
Rubbing its flower buds or petals can stain your fingers a surprising purple-red!
Some species of St. John's-wort have special glands that glow red under ultraviolet light!
Special abilities
Ability
Water Trapper
Hairy St John's-wort has fuzzy leaves and stems that can trap moisture and protect it from sun, helping it survive.
Ability
Pollinator Beacon
Its bright yellow flowers produce nectar and pollen, acting like a beacon to attract bees and other helpful insects.
Ability
Seed Spreader
This plant produces many tiny seeds in capsules that burst open, allowing it to spread new plants far and wide.
Measurements & details
- Height
- 30-90 cm
- Spread
- 20-40 cm
- Flower Size
- 1-2 cm
- Bloom Season
- Summer (July-September)
- Edible
- No
- Toxicity
- Mild
- Lifecycle
- Perennial
- Pollination Method
- Insect
Ecological connections
pollinates
Honey bee
Apis mellifera
Collects nectar and pollen.
eats
St. John's-wort beetle
Chrysolina hyperici
Larvae and adults feed on leaves.
eaten by
Roe deer
Capreolus capreolus
May browse on the foliage.
Traits
Flowering
Flowering plants are any plants that produce flowers as part of their reproductive cycle.
Summer Blooming
Summer blooming plants produce their flowers during the summer season, often providing vibrant color when many other plants have finished.
Fragrant Flower
Fragrant flowers emit a pleasant aroma, often to attract pollinators or for defense.
Medicinal
Medicinal plants possess chemical compounds that can be used for therapeutic purposes to treat illnesses or maintain health.
Grassland
Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
Pollinator Magnet
Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
Also known as
No aliases listed yet.
Collections
Safety
Danger
1/5 · Very low
Always check with an adult before touching or picking flowers.
Frequently Asked Questions
How to identify Hairy St John's-wort?
The easiest way to identify Hairy St John's-wort is to use the Snappit nature identifier app.
How tall is Hairy St John's-wort?
30-90 cm
How wide does Hairy St John's-wort spread?
20-40 cm
How big are the flowers on Hairy St John's-wort?
1-2 cm
When does Hairy St John's-wort bloom?
Summer (July-September)
Is Hairy St John's-wort edible?
No
Is Hairy St John's-wort toxic?
Mild
What is Hairy St John's-wort's lifecycle?
Perennial
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