How to Grow Red Hopseed
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Red Hopseed
Dodonaea viscosa 'Purpurea'
shrubRed Hopseed is an ornamental shrub valued for its striking reddish-purple foliage that intensifies in color during cooler months and in full sun. Native to arid and semi-arid regions, it is extremely drought-tolerant and heat-loving, making it ideal for water-wise landscapes. The plant produces small, inconspicuous flowers followed by distinctive papery, winged seed pods that add visual interest.
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Example Red Hopseed timeline · Pittsburgh, PA (Zone 6b)
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Plant Red Hopseed
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 Red Hopseed
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; can survive in zone 9a with protection
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Get my Red Hopseed timeline →Growth Stages
Establishment
4-8 weeksYoung transplant with small green-to-reddish leaves; initial root system developing
Water regularly and deeply 2-3 times weekly; provide afternoon shade in hot climates; apply 2-3 inches of mulch; stake if windy
Vegetative Growth
8-16 weeksExpanding foliage with increasing red-purple coloration; bushy growth habit becoming visible
Continue regular watering, gradually reducing frequency as roots deepen; light pruning to shape; mulch keeps roots cool in extreme heat
Maturing Shrub
Ongoing after 6-12 monthsFull-sized plant with dense reddish-purple foliage; color intensifies in cool season and full sun; begins producing flowers
Reduce watering frequency significantly; prune only to maintain shape; remove dead wood; minimal fertilizer needed
Flowering & Seed Pod Production
Spring through fall, varying by climateSmall greenish or yellowish flowers appear in clusters, followed by distinctive papery, winged seed pods that turn reddish or brown
Allow pods to mature for ornamental value; deadhead only if wanting to prevent self-seeding; no special feeding required
Dormancy
2-4 months in mild climates, or only during frost eventsMinimal growth; foliage color may intensify; plant appears less vigorous in winter
Withhold supplemental watering; avoid fertilizing; do not prune heavily in winter; protect young plants from frost if below zone 9b
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; use neem oil or horticultural oil in severe infestations; increase humidity around plant if possible
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Prune heavily infested branches; spray with horticultural oil or insecticidal soap in early spring; monitor regularly
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Use yellow sticky traps; spray with neem oil or insecticidal soap; encourage natural predators
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Remove with alcohol-soaked cotton swab; spray with insecticidal soap; improve air circulation
Uses
Ornamental Screening & Hedging
HouseholdRed Hopseed's dense growth habit and striking purple-red foliage make it ideal for privacy screens, windbreaks, and ornamental hedges in arid and semi-arid landscapes. Its ability to withstand heat and wind makes it especially valuable in challenging desert environments. [source]
Decorative Seed Pods & Floral Arrangements
CraftThe distinctive papery, winged seed pods are prized for dried flower arrangements and craft projects, adding unique texture and visual interest to decorative compositions. The vibrant purple-red foliage also works well in seasonal arrangements. [source]
Drought-Tolerant Landscape Design
HouseholdAs an extremely drought-resistant shrub, Red Hopseed is invaluable for water-wise and sustainable landscaping in arid regions, reducing irrigation needs and supporting xeriscaping principles. It thrives in poor, dry soils where many plants struggle. [source]
Wildlife Habitat & Pollinator Support
WildlifeThe small flowers attract bees and other pollinators, while the dense foliage provides shelter for birds and beneficial insects. The plant supports local wildlife in arid ecosystems with minimal water input. [source]
Heat Reflection & Microclimate Management
HouseholdRed Hopseed's ability to thrive in intense sun and reflect heat makes it useful for creating cooler microclimates in hot landscapes. Its deep root system helps stabilize soil and reduce erosion on slopes. [source]
Harvest Tips
Red Hopseed is an ornamental shrub not typically harvested for food. However, papery seed pods can be collected in fall for decorative arrangements once they mature and papery texture is achieved. Foliage can be pruned for floral arrangements, especially in cool months when color is most vibrant.
Fun Facts
- 🌱 Red Hopseed is native to arid regions across Australia, Hawaii, and other tropical and subtropical areas, and has become naturalized in parts of the American Southwest.
- 🌱 The 'Purpurea' cultivar's striking red-purple color is most intense during cooler months and in full sun; plants in partial shade or warm climates may display more green coloration.
- 🌱 The papery, winged seed pods (called samaras) are technically fruits and contain the plant's seeds; they resemble hops, which is how the common name 'Hopseed' originated, despite the plant's lack of relation to actual hops.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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