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Fourleaf Yam

Dioscoreaquaternata

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Dioscorea quaternata by greenthumb99

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Genus

Dioscorea (dy-oh-SKOR-ee-uh)

Info

Synonym

Sun Exposure

Light Shade

Partial to Full Shade

Foliage

Herbaceous

Height

36-48 in. (90-120 cm)

4-6 ft. (1.2-1.8 m)

Spacing

15-18 in. (38-45 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)

Danger

Unknown - Tell us

Bloom Color

Green

Bloom Time

Late Spring/Early Summer

Mid Summer

Other Details

Category

Perennials

Vines and Climbers

Water Requirements

Unknown - Tell us

Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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; direct sow after last frost

Seed Collecting

Bag seedheads to capture ripening seed

Regional

This plant is said to grow outdoors in the following regions:

Coushatta, Louisiana

Frenchtown, New Jersey

Hulbert, Oklahoma

Kintnersville, Pennsylvania

Blacksburg, Virginia

Leesburg, Virginia

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Gardener's Notes:

0

positive

0

neutral

0

negative

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