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PlantFiles: Hosta
Hosta 'Jack Frost'

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Family: Liliaceae (lil-ee-AY-see-ee) (Info)
Genus: Hosta (HOSS-tuh) (Info)
Cultivar: Jack Frost

» View all varieties of Hostas

Plant Size (check one):
Medium (leaf 25-81 square inches; plant 10-18 tall)

Spacing:
15-18 in. (38-45 cm)

Hardiness:
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Light Shade
Partial to Full Shade
Full Shade

Other details:
Average Water Needs; Water regularly; do not overwater

Patent Information:
Unknown - Tell us

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

Growing Habit:
Mound-like

Growth Rate:
Medium

Leaf Shape:
Ovate

Leaf Appearance:
Unknown - Tell us

Degree to which the appearance is present:
Unknown - Tell us

Leaf Texture (top):
Dull

Leaf Texture (bottom):
Glaucous Bloom

Leaf Substance:
Unknown - Tell us

Leaf Color:
Medium Green
Dark Green
Greenish-yellow (Chartreuse)
Creamy White
Pure White
Streaked with color marked above
Mottled with color marked above

Color of Leaf Margin:
Unknown - Tell us

Number of Vein Pairs:
Fewer than 9
9 to 11

Appearance of Margin:
Unknown - Tell us

Margin Width:
Unknown - Tell us

Bloom Time:
Mid

Flower Shape:
Unknown - Tell us

Flower Fragrance:
Unknown - Tell us

Does it set seed?:
No it does not set seed

Bloom Color:
Pale Lavender

Profile:

No positives
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral lmelling On Jan 30, 2005, lmelling from Ithaca, NY (Zone 5b) wrote:

Leaf color reported to be highly unstable, with unreliable bloom. Leaves are 5-6" long x 4-5" wide, 8-10 pair of veins, slightly glaucous below, mixed colors, medium to deep green, streaked and mottled with chartreuse and white, more chartreuse earlier, then white, that disappears in mid-season.

Neutral jody On Jan 28, 2005, jody from MD &, VA (Zone 7b) wrote:

Flower scapes 18"-21". Minks 1983.



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