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PlantFiles: Orchid, Lady Slipper, Cypripedium Ulla Silkens
Cypripedium

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Family: Orchidaceae (or-kid-AY-see-ee) (Info)
Genus: Cypripedium (sip-rih-PEE-dee-um) (Info)
Grex name: Ulla Silkens
Additional cultivar information: (Cyp. flavum X Cyp.reginae)
Hybridized by Petersen; Year of Registration or Introduction: 1996

5 members have or want this plant for trade.

Category:
Perennials

Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

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

Hardiness:
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

Danger:
Unknown - Tell us

Bloom Color:
Pink
White/Near White

Bloom Time:
Late Spring/Early Summer

Foliage:
Herbaceous
Leathery-Textured

Other details:
Requires consistently moist soil; do not let dry out between waterings

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:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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to view:

By Todd_Boland
Thumbnail #1 of Cypripedium  by Todd_Boland

By Terri1948
Thumbnail #2 of Cypripedium  by Terri1948

By Terri1948
Thumbnail #3 of Cypripedium  by Terri1948

No details have been posted.

Regional...

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

Kenosha, Wisconsin



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