How to Grow Native Hawaiian 'uki'uki grass
Native Hawaiian 'uki'uki grass
Machaerina angustifolia
grass'Uki'uki is a native Hawaiian sedge grass characterized by fine, narrow, dark green foliage that grows in dense tufts. This ornamental grass is culturally significant in Hawaii and was traditionally used for weaving and thatching. It thrives in wet to mesic conditions and adds elegant texture to native Hawaiian gardens.
When should you plant Native Hawaiian 'uki'uki grass in your zone?
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Example Native Hawaiian 'uki'uki grass timeline · Pittsburgh, PA (Zone 6b)
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Plant Native Hawaiian 'uki'uki grass
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Native Hawaiian 'uki'uki grass
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Native Hawaiian 'uki'uki grass dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 10-11 (tropical and subtropical climates); best suited to Hawaii and similar warm regions
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Get my Native Hawaiian 'uki'uki grass timeline →Growth Stages
Seedling
3-4 weeksTiny grass shoots emerge with fine, hair-like leaves; very delicate appearance
Keep soil consistently moist; protect from wind and strong sun; maintain high humidity
Establishment
4-8 weeksPlant develops deeper root system and fuller foliage; tufts begin to form and expand
Continue regular watering; avoid drought stress; reduce watering frequency slightly as roots establish
Vegetative Growth
6-12 weeksDense tufts form with long, narrow, blade-like leaves; plant gradually increases in size and fullness
Maintain consistent moisture; fertilize monthly with balanced, slow-release fertilizer; remove any dead foliage
Mature Growth
Ongoing; reaches maturity at 6-12 monthsPlant reaches full size and density with distinctive fine-textured appearance; may produce small inconspicuous flowers
Water as needed to keep soil moist; minimal fertilizing; light pruning to remove dead or damaged growth
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Hand-pick affected areas; encourage beneficial insects; use neem oil if severe
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Spray with horticultural oil; improve air circulation; prune affected stems
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Improve drainage and air circulation; remove affected foliage; avoid overhead watering
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and
Remove by hand; maintain drier leaf surfaces; use copper barriers or organic bait
Uses
Traditional Hawaiian Weaving
Craft'Uki'uki was traditionally used by Native Hawaiians to weave baskets, mats, and lei. The strong, flexible leaf blades are ideal for traditional weaving techniques and cultural crafts. [source]
Thatch and Roofing
CraftHistorically used as thatch material for Hawaiian structures due to its durability and water resistance. Still valued in cultural preservation and recreation of traditional Hawaiian architecture. [source]
Native Habitat Support
Wildlife'Uki'uki provides food, shelter, and nesting material for native Hawaiian insects, birds, and small fauna. Planting it supports biodiversity and helps restore native Hawaiian ecosystems. [source]
Ornamental Landscaping
HouseholdValued as an ornamental grass for its fine texture, elegant form, and cultural significance in Hawaiian gardens. Adds visual interest and authenticity to native plant landscapes. [source]
Traditional Hawaiian Food Use
CulinaryHistorically, parts of the plant were used in Hawaiian traditional food preparation and in ceremonial contexts. Still valued in cultural and historical food practices. [source]
Harvest Tips
For traditional weaving and thatching: harvest mature leaf blades in dry season when foliage is at peak density. Cut blades cleanly at base using sharp scissors or knife. Dry harvested material in shade for 2-3 weeks before use. Do not over-harvest; remove no more than 1/3 of foliage per season to maintain plant health. For ornamental purposes, remove only dead or damaged foliage as needed.
Fun Facts
- 🌱 'Uki'uki is endemic to Hawaii and holds deep cultural significance; the name comes from Hawaiian language meaning 'to bristle' or 'to stand up,' referring to its distinctive bristly appearance.
- 🌱 Traditionally, 'uki'uki was sustainably harvested by Native Hawaiians for centuries, representing sophisticated ecological knowledge and sustainable resource management practices.
- 🌱 The plant can tolerate wet, boggy conditions that would kill many ornamental grasses, making it ideal for rain gardens and wetland restoration projects in Hawaii.
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