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Species Orchid, Kentucky Lady's Slipper, Kentucky Cypripedium

Cypripedium kentuckiense

Family: Orchidaceae (or-kid-AY-see-ee) (Info)
Genus: Cypripedium (sip-rih-PEE-dee-um) (Info)
Species: kentuckiense

Category:

Perennials

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Flowers are good for drying and preserving

Water Requirements:

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

Where to Grow:

Grow outdoors year-round

Height:

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Spacing:

Unknown - Tell us

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:

Sun to Partial Shade

Light Shade

Danger:

Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Bright Yellow

Pale Green

Green

Maroon (Purple-Brown)

Bloom Time:

Mid Spring

Late Spring/Early Summer

Foliage:

Herbaceous

Velvet/Fuzzy-Textured

Other details:

This plant may be considered a protected species; check before digging or gathering seeds

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:

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

From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds

Properly cleaned, seed can be successfully stored

Regional

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

Morrilton, Arkansas

East Haddam, Connecticut

Cleveland, Ohio

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Jul 30, 2016, coriaceous from ROSLINDALE, MA wrote:

Usually called "southern ladyslipper".

Hardy in Z3a-8b. The lip of the flower is pale yellow, not bright yellow.

This species is rare throughout its native range, and endangered or threatened in two states. Native to 10 states from Texas to Virginia. There are thought to be fewer than 3000 individuals left in the wild.

However, it has been mass produced, and is one of the species most adaptable to cultivation. It is also one of the most adaptable to the hot humid summers of the southeast, and passes these traits on to its hybrids.

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