Hypericum Species, Edison's St. John's Wort, Arcadian St. John's Wort, Edison Ascyrum

Hypericumedisonianum

Family
Hypericaceae (hy-PER-ee-KAY-see-ee)
Genus
Hypericum (hy-PER-ee-kum)
Synonym
Ascyrum edisonianum
Sun Exposure
Full Sun
Sun to Partial Shade
Height
4-6 ft. (1.2-1.8 m)
Spacing
18-24 in. (45-60 cm)
Hardiness
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
Bloom Color
Bright Yellow
Bloom Time
Blooms repeatedly
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Bronze
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Bartow, Florida

Brownsburg, Indiana

Union Hall, Virginia

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Gardener's Notes:

0
positive
2
neutrals
0
negative
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Sebring, FL (Zone 9b) | July 2004 | neutral

Known in the wild from only Highlands, Glades, Desoto, and Polk counties in central Florida. Very common in southern Highlands and north...Read More

T
Lake Placid, FL (Zone 9b) | June 2004 | neutral

FL endangered species

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