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Zingiberaceae
Curcuma, Black Turmeric, Indian Saffron 'Black Thai'
Curcumaattenuata
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Genus
Curcuma
(KER-koo-muh)
Info
Species
attenuata
(at-ten-yoo-AY-tuh)
Info
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Herbaceous
Smooth
Height
24-36 in. (60-90 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Danger
N/A
Bloom Color
White/Near White
Bloom Time
Late Summer/Early Fall
Mid Fall
Other Details
Category
Alpines and Rock Gardens
Bulbs
Edible Fruits and Nuts
Vegetables
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Unknown - Tell us
Where to Grow
Suitable for growing in containers
Bloom Characteristics
Flowers are fragrant
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 the rootball
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting
Unknown - Tell us
Regional
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