Hawaiian Cyperus, 'Ahu'awa

Cyperushillebrandii

Family
Cyperaceae (sy-peer-AY-see-ee)
Genus
Cyperus (sy-PEER-us)
Species
hillebrandii (hil-le-BRAND-ee-eye)
Synonym
Mariscus hillebrandii
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Evergreen
Smooth
Textured
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
N/A
Bloom Color
Inconspicuous/none
Bloom Time
Blooms all year
Other Details
Category
Tropicals and Tender Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Direct sow as soon as the ground can be worked
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Seed does not store well; sow as soon as possible
Regional

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Gardener's Notes:

1
positive
0
neutral
0
negative
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M
Keaau, HI | October 2014 | positive

An endemic Hawaiian Sedge which occurs in native dry, mesic, and subalpine forest.
Unlike other Cyperus which like to be wet, this...Read More

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