Purple Hopseed: The Water-Wise Screen with Bronze-Purple Foliage

Dodonaea viscosa 'Purpurea' — purple hopseed — is the screen you choose when you want privacy that reads light and contemporary rather than solid and formal. Slender bronze-purple leaves catch the sun on airy, upright stems; the whole plant filters light instead of blocking it flat. It is also one of the toughest, most water-wise things we plant.

Growth and form

Fast for a water-wise plant — about two and a half feet a year to a mature height of 12–15 feet. It shears, but it is at its best kept slightly loose, clipped into a soft plane rather than a hard box. The purple color deepens in full sun and cool weather and softens toward green in shade.

Sizes and spacing

Purple hopseed is a 5- and 15-gallon plant in our catalog — it establishes so fast that starting it in a box rarely pays off. We plant about 3 feet on center, tighter if you want a wall sooner. A 15-gallon row is $129 per tree installed and a 5-gallon $47; the price is set by size, not species, so you are choosing hopseed for its look and its low thirst, not its cost.

Conditions

Full sun, sharp drainage, and very little water once established — one of the most drought-tolerant screens we offer, genuinely at home in a low-water Westside or hillside garden. It shrugs off heat and coastal exposure alike. Its one dislike is soggy soil.

A little history

Dodonaea is a wide-ranging genus, and this purple form traces to Australia and New Zealand, where hopseed shrubs colonize tough, dry ground. The papery seed capsules gave it the 'hopseed' name — they resemble the hops used in brewing. California embraced the purple form as native and Mediterranean planting went mainstream, prizing it for color and drought grit.

Roots and care

Non-invasive roots — no barrier needed. Care is minimal: a shear once or twice a year, drip while establishing, then very little. Practically pest-free here.