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Hypericum linariifolium
Hypericum linariifolium
Hypericum linariifolium
Hypericum linariifolium

Hypericum linariifolium

TAXONOMY

FamilyHypericaceae
GenusHypericum
Zone6

ABOUT

Hypericum linariifolium, commonly known as toadflax-leaved St John's wort, is a perennial herb native to Western Europe. It is part of the Hypericaceae family and is known for its bright yellow flowers. The plant typically undergoes a dormancy period during the winter months.

ALSO KNOWN AS

Narrowleaf St. John's Wort
Hypericum alpestre subsp. polygonifolium
Hypericum angustifolium
Hypericum humifusum subsp. linariifolium
Hypericum humifusum var. approximatum
Hypericum humifusum var. montanum
Hypericum karsianum
Hypericum linariifolium var. acutisepalum
Hypericum linariifolium var. approximatum
Hypericum linariifolium var. montanum
Hypericum linariifolium var. obtusisepalum
Hypericum linariifolium var. parviflorum
Hypericum linariifolium var. punctatum
Hypericum linariifolium var. radicans
Hypericum linearifolium
Hypericum nubigenum
Hypericum perplexum
Hypericum pulchrum

OVERVIEW

WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar

DETAILS

Care Instructions
Hypericum linariifolium thrives in bright, direct sunlight and prefers moderate temperatures. It should be watered when the soil is almost completely dry. The plant enjoys moderate humidity levels and should be protected from extreme cold.
Soil
This plant prefers well-draining loamy soil. It can tolerate a range of soil types but performs best in soil that is not too rich in nutrients. Good drainage is essential to prevent root rot.
Fertilizer
A balanced fertilizer with a nutrient composition of 5-10-5 can be applied during the growing season. Fertilize sparingly, as too much can harm the plant.
Repotting
Repotting should be done in the spring when the plant outgrows its container. Carefully remove the plant from its pot, trim any dead roots, and place it in a slightly larger pot with fresh soil.
Propagation
Hypericum linariifolium can be propagated through seed or cuttings. The best time to take cuttings is in late spring or early summer. Ensure the cuttings have at least two nodes and plant them in a well-draining soil mix.
Pruning
Pruning is beneficial for maintaining the plant's shape and encouraging new growth. Prune in early spring before new growth begins. Remove any dead or damaged stems and trim back to maintain the desired shape.
Toxicity
Hypericum linariifolium is not known to be toxic to pets or humans. However, it is always best to keep plants out of reach of pets and children to avoid any potential issues.
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How To Grow Hypericum linariifolium | EarthOne