Medicinal Plant

Giant St-John’s-wort

Medicinal Plant

Giant St-John’s-wort

Product code : 68-5045-010

5.00$

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The Hypericum pyramidatum is a beautiful native perennial whose lemon-yellow flowers can reach 5 cm in diameter. Very floriferous in rich soil, it forms copses with generous foliage.

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Sun

Hardiness zone

4

Blooming

July - August

Height (cm)

60-100

Spreading (cm)

60

Soil

Cool, moist

Formulation

Untreated

Cultivation mode

Plantation : Mix seeds with an equal amount of damp sand or vermiculite. Place the mixture in a sealed plastic bag. Store the bag in a refrigerator or cool storage room for 30 to 90 days. Sow seeds when there is no risk of ground frost.

Soil : cool, moist

Culturals practices : Sow seeds on the surface without covering after sowing. These seeds are very small and need light to germinate. Seeds can be mixed with fine sand or talcum for a uniform sowing.

Consult our technical sheet

Latin name

Hypericum pyramidatum

Sowing guide

PDF