Hypericum calycinum
TAXONOMY
FamilyHypericaceae
GenusHypericum
Zone5
LEARN MORE
Plants of the World OnlineABOUT
Hypericum calycinum, commonly known as Aaron's beard or St. John's wort, is a rhizomatous geophyte or subshrub in the family Hypericaceae. Native to southeastern Europe and southwestern Asia, it is known for its large, bright yellow flowers and evergreen foliage. The plant prefers temperate climates and can spread rapidly through its rhizomes.
ALSO KNOWN AS
Ascyrum Calicinum
Ascyrum Coriaceum
Eremanthe Calycina
Eremanthe Venosa
Norysca Calycina
Norysca Venosa
Rose Of Sharon
Androsaemum calycinum
Hypericum calycinum f. luteum
Hypericum calycinum var. acutifolium
Hypericum grandiflorum
Hypericum venosum
OVERVIEW
VPDCalculate
WaterMoist
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Hypericum calycinum is relatively easy to care for. It thrives in bright, direct sunlight and prefers moderate temperatures. The plant should be watered when the soil partially dries out, and it benefits from moderate humidity levels. It is well-suited for outdoor growth in temperate climates.Soil
This plant prefers well-draining loamy soil. It can tolerate a range of soil types but performs best in soil that retains some moisture without becoming waterlogged. Good drainage is essential to prevent root rot.Fertilizer
A balanced fertilizer with an N-P-K ratio of 10-10-10 can be applied during the growing season to support healthy growth. Fertilize once a month during the spring and summer for best results.Repotting
Hypericum calycinum can be repotted if necessary, although it is typically grown outdoors. If grown in a container, repotting should be done in the spring when the plant shows new growth. Choose a slightly larger pot with good drainage and fresh soil.Propagation
The plant can be propagated through division or cuttings. Division is best done in the spring or fall, while cuttings can be taken during the growing season. Ensure that cuttings have at least a few nodes and are placed in a moist, well-draining medium.Pruning
Pruning is beneficial for maintaining the shape and health of the plant. Prune in late winter or early spring before new growth begins. Remove any dead or damaged stems and trim back to encourage bushier growth.Toxicity
Hypericum calycinum is generally non-toxic to pets and humans. However, as with any plant, it is best to prevent ingestion by pets or children.Additional
Hypericum calycinum is a hardy plant that can tolerate a range of conditions, making it an excellent choice for ground cover in gardens. It is also deer-resistant and can help control erosion on slopes.REVOLUTIONIZE YOUR PLANT CARE
Make Every Plant Smart
Plant Monitor
STAYS IN YOUR PLANT
Accurately measures the core metrics of your plant – soil moisture, light, temperature and humidity - as well as compound metrics such as Vapor Pressure Deficit (VPD) and Growing Degree Days (GDD).
Shop Now
