Goldencup St. Johnswort Hypericum patulum

Detailed Listing For
Botanical Name:

Hypericum patulum

Family:

Hypericaceae

Genus:

Hypericum

Species:

patulum

Common Name:

Goldencup St. Johnswort

Height:
2-3 feet
Minimum Hardiness Zone:
7

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  • Hypericum patulum

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Growing Info, follow in order:
Scarification: soak in warm water, let stand in water for 24 hours.
Stratification: warm stratify for 30 days at 64 to 72 degrees F, then cold stratify for 4 - 6 weeks at 32 to 39 degrees F.
Germination: This is a cold germinator. , Just cover seed with soil , Most effective initial temps. after stratification are 41 to 54 degrees F., gradually increase temp. to 68 F., keep seed moist (not wet). Keep seedlings cooler (50F.) Transplant 4 to 8 weeks.
In a Nutshell:
* An evergreen shrub with dark green leaves, 2" golden-yellow bowl-shaped flowers in July, native to China, Japan.
* Plants are sometimes grown as a hedge. Wood - close grained, moderately hard. more...