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PlantFiles: Rough Comfrey
Symphytum asperum

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Family: Boraginaceae
Genus: Symphytum (sim-FY-tum) (Info)
Species: asperum (ASS-per-um) (Info)

2 members have or want this plant for trade.

Category:
Herbs
Perennials

Height:
4-6 ft. (1.2-1.8 m)

Spacing:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Hardiness:
USDA Zone 5b: to -26.1 C (-15 F)

Sun Exposure:
Light Shade
Partial to Full Shade

Danger:
Unknown - Tell us

Bloom Color:
Pink
Magenta (Pink-Purple)
Violet/Lavender
Purple

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Grown for foliage

Other details:
May be a noxious weed or invasive

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Scarify seed before sowing

Seed Collecting:
Bag seedheads to capture ripening seed
Properly cleaned, seed can be successfully stored

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to view:

By trilian15
Thumbnail #1 of Symphytum asperum by trilian15

By RosinaBloom
Thumbnail #2 of Symphytum asperum by RosinaBloom

By RosinaBloom
Thumbnail #3 of Symphytum asperum by RosinaBloom

By RosinaBloom
Thumbnail #4 of Symphytum asperum by RosinaBloom

No details have been posted.

Regional...

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

Berea, Kentucky
Upper Darby, Pennsylvania



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