How to Grow Hairy Naupaka
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Hairy Naupaka
Scaevola mollis
shrubHairy naupaka is a native Hawaiian shrub known for its distinctive one-sided white or pale pink flowers and soft, hairy foliage. It typically grows 3-6 feet tall and is well-adapted to coastal and dry conditions. This plant plays an important ecological role in Hawaiian native plant communities.
When should you plant Hairy Naupaka in your zone?
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Example Hairy Naupaka timeline · Pittsburgh, PA (Zone 6b)
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Plant Hairy Naupaka
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 Hairy Naupaka
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in USDA zones 10b-11, with protection in zone 10a; best in Hawaii and coastal southern Florida
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Get my Hairy Naupaka timeline →Growth Stages
Seedling
4-8 weeksTiny seedlings emerge with soft, hairy cotyledons and developing true leaves
Keep soil consistently moist but not waterlogged; provide bright indirect light; protect from intense direct sun initially
Vegetative Growth
6-12 monthsYoung plant develops multiple stems, hairy foliage becomes more prominent, and plant establishes root system
Gradually acclimate to full sun exposure; reduce watering frequency; avoid fertilizer or use dilute, balanced formula sparingly
Flowering
Spring through fall, intermittent bloomingPlant produces distinctive one-sided white to pale pink flowers clustered at branch tips; flowers open progressively
Maintain drought conditions once established; light pruning after flowering encourages bushier growth; no deadheading needed
Fruiting
4-6 weeks after floweringSmall white or pale drupes (stone fruits) develop where flowers were; seeds contained within
Allow fruits to mature naturally; minimal intervention needed; birds may disperse seeds naturally
Dormancy/Mature Plant
Ongoing through plant maturityEstablished mature shrub becomes fully drought-tolerant; minimal growth in dry season
Minimal watering except during severe drought; prune only to shape or remove dead wood; avoid over-fertilizing
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Inspect regularly; prune heavily infested branches; use horticultural oil sprays in early morning or late afternoon
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Remove with soft brush and neem oil; improve air circulation; avoid over-watering
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Spray foliage with water to increase humidity; use miticide if severe; avoid excess nitrogen fertilizer
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Yellow sticky traps; insecticidal soap spray; encourage natural predators like ladybugs
Uses
Native Pollinator Support
WildlifeHairy naupaka attracts native Hawaiian insects and pollinators with its distinctive one-sided flowers. The plant provides important nectar for native bees and other beneficial insects that are crucial to Hawaiian ecosystems. [source]
Ecological Restoration
CraftWidely used in habitat restoration projects and native plant gardens throughout Hawaii to restore coastal and leeward dryland ecosystems. Its drought tolerance and coastal habitat preference make it ideal for climate-resilient landscaping. [source]
Ornamental Landscaping
HouseholdPopular choice for xeriscaping, coastal gardens, and low-maintenance native plant landscapes in tropical and subtropical regions. Its attractive hairy foliage and unique flowers provide year-round visual interest with minimal care. [source]
Traditional Hawaiian Uses
MedicinalHistorically used in traditional Hawaiian medicine and cultural practices. The plant has ethnobotanical significance in Hawaiian plant knowledge systems. [source]
Native Bird Habitat
WildlifeProvides food and shelter for native Hawaiian birds; the fruits are eaten by native avian species that aid in seed dispersal throughout natural habitats. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Not typically harvested for consumption. For propagation, collect ripe fruits in late summer to fall; remove pulp and extract seeds. Seeds can be cleaned and dried for storage or immediate sowing.
Fun Facts
- 🌱 The name 'naupaka' comes from Hawaiian mythology; legend says naupaka was a girl transformed into a plant, which explains why the flower appears incomplete (one-sided) — her other half is the naupaka kahakai (beach naupaka) with the opposite flower form.
- 🌱 Hairy naupaka is endemic to Hawaii and found naturally only on the Hawaiian Islands, thriving in harsh coastal and leeward dryland environments where few other plants can survive.
- 🌱 The distinctive one-sided (half) flowers are an adaptation that makes them easily recognizable; despite their unusual appearance, they are highly attractive to native Hawaiian insects and pollinators.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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