How to Grow Sticky Wattle
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Sticky Wattle
Acacia howittii
shrubSticky Wattle is a native Australian shrub known for its distinctive sticky, resinous foliage and bright golden-yellow flowers. The plant typically grows 2-4 meters tall and wide, with phyllodes (modified petioles that function as leaves) that are visibly coated in a glossy, adhesive substance. It is valued for its ornamental appeal, drought tolerance, and ability to attract wildlife.
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Example Sticky Wattle timeline · Pittsburgh, PA (Zone 6b)
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Plant Sticky Wattle
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 Sticky Wattle
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 9b-11, tolerates occasional frost but prefers warm climates
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Get my Sticky Wattle timeline →Growth Stages
Seedling
4-8 weeksSmall plants with fine, thread-like phyllodes emerging from cotyledons; tender and delicate appearance
Keep soil consistently moist but not waterlogged; provide bright, indirect light; protect from harsh winds and frost; use well-draining seed-raising mix
Juvenile
6-12 monthsYoung plants develop characteristic sticky phyllodes; growth is upright and compact with gradually increasing stem thickness
Gradually acclimate to full sun; water regularly but allow soil to dry between waterings; pinch back growing tips to encourage bushiness; protect from frost if in cool zones
Vegetative
Ongoing until maturityEstablished plants with dense foliage, visible sticky coating on phyllodes becoming more prominent; no flowers yet or minimal flowering
Reduce watering frequency; minimal fertilizer needed (Australian natives prefer low-nutrient conditions); prune lightly after flowering to maintain shape; monitor for pests
Flowering
6-10 weeks (peak season)Bright golden-yellow, fluffy ball-shaped flower clusters (globular inflorescences) appear along stems; typically flowers in late winter to spring
Do not fertilize heavily as this reduces flowering; maintain consistent watering during bloom; deadhead spent flowers to encourage repeat blooming; protect from strong winds that may damage delicate flowers
Fruiting & Maturity
Ongoing after first floweringSmall, flat seed pods develop following flowers; plant reaches full ornamental size with dense, sticky foliage canopy
Allow pods to mature on plant if seed collection desired; otherwise remove for tidiness; established plants need minimal maintenance; prune only to control size or remove dead wood
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; use miticide if severe; improve air circulation around plant
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Prune infested branches; apply horticultural oil spray; manually remove with brush if light infestation
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Remove and destroy affected branches immediately; maintain plant vigor; monitor for exit holes
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Generally not serious; spray with insecticidal soap if population becomes large; maintain healthy plant conditions
Uses
Garden Ornamental & Landscaping
OrnamentalSticky Wattle is prized as a decorative shrub in warm-climate gardens, providing year-round visual interest with its unique sticky foliage and spectacular golden-yellow winter-spring blooms. It is ideal for xeriscaping, coastal gardens, and native plant landscapes. [source]
Pollinator & Wildlife Attraction
WildlifeThe abundant golden flowers attract native bees, butterflies, and other pollinators, while the dense foliage provides shelter for birds and small fauna. It is valuable for supporting local biodiversity in native plant gardens. [source]
Wattle Seed Spice
CulinarySticky Wattle seeds, like other Acacia species, can be roasted and ground to create a unique coffee-like spice with nutty, chocolate notes used in contemporary Australian cuisine. [source]
Traditional Aboriginal Medicine
MedicinalIndigenous Australian peoples historically used Acacia species for medicinal purposes, including treating wounds and inflammation. Modern herbalism incorporates wattle extracts for potential anti-inflammatory properties. [source]
Cut Flowers & Floral Arrangements
HouseholdThe striking golden-yellow flower clusters are excellent for floral arrangements, lasting well in water and adding texture and color to bouquets and indoor displays. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest seed pods after they turn brown and papery; collect seeds for propagation. Cut flowers for arrangements at peak bloom; they last well in water. Foliage can be harvested year-round for decorative or medicinal use.
Fun Facts
- 🌱 The sticky coating on Sticky Wattle's phyllodes is a resinous substance that helps the plant retain moisture and may deter some herbivorous insects and animals.
- 🌱 Sticky Wattle is endemic to southeastern Australia and is listed as nationally significant vegetation in its native habitat.
- 🌱 The plant's golden-yellow flowers are technically not petals but rather modified stamens (filaments) clustered together, creating the distinctive fluffy ball appearance.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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