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PlantFiles: Edison's St. John's Wort, Arcadian St. John's Wort, Edison Ascyrum
Hypericum edisonianum

 
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Family: Clusiaceae
Genus: Hypericum (hy-PER-ee-kum) (Info)
Species: edisonianum

Synonym:Ascyrum edisonianum

Category:
Perennials

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)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Blooms repeatedly

Foliage:
Silver/Gray

Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping

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:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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to view:

By xyris
Thumbnail #1 of Hypericum edisonianum by xyris

By xyris
Thumbnail #2 of Hypericum edisonianum by xyris

By xyris
Thumbnail #3 of Hypericum edisonianum by xyris

Profile:

No positives
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorComment
Neutral xyris On Jul 7, 2004, xyris from Sebring, FL (Zone 9b) wrote:

Known in the wild from only Highlands, Glades, Desoto, and Polk counties in central Florida. Very common in southern Highlands and northern Glades counties. It forms nice dense rounded shrubs, and is attractive enough to use in landscaping, I think.

Neutral TamiMcNally On Jun 11, 2004, TamiMcNally from Lake Placid, FL (Zone 9b) wrote:

FL endangered species

Regional...

This plant has been said to grow in the following regions:

Bartow, Florida
Brownsburg, Indiana



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