Great St. Johnswort (Hypericum Ascyron) - Growing Guide | Neighborbrite

Great St. Johnswort (Hypericum Ascyron) - Perennials

Grow conditions

Sunlight

Full sun to partial shade

Hardiness zone

4-8

Min. Temperature

−29°F (−34°C)

Soil type

Loam, Sandy, Well drained, Moist

Soil pH

Acidic, Neutral, Alkaline

Great St. Johnswort

Hypericum Ascyron

Grow conditions

Sunlight: Full sun to partial shade
Hardiness zone: 4-8
Min. Temperature: −29°F (−34°C)
Soil type: Loam, Sandy, Well drained, Moist
Soil pH: Acidic, Neutral, Alkaline

Plant traits

Mature height36 in-5 ft

Mature spread24 in-36 in

Plant typePerennials

Bloom seasonSummer, Fall

Foliage typeDeciduous

Tolerance & safety

Drought tolerant❌No

Fire tolerant❌No

Pet safe❌Toxic

Deer resistant✅Yes

Pollinator-friendly—Unknown

Great St. Johnswort (Hypericum Ascyron) - Perennials

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Great St. Johnswort (Hypericum Ascyron) - Perennials

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