Species Profile: Knock Out Rose

Common Name: Knock Out Rose
Scientific Name: Rosa ‘Radrazz’ and related cultivars

Location: Not native to Texas, but widely cultivated in Central Texas for its resilience and continuous blooms. Found in residential gardens, public landscapes, and commercial plantings.

Mating Habits: Hybrid rose that reproduces through human propagation (cuttings and grafting). While flowers can produce seeds, they are rarely used for reproduction. Pollinated by bees and other insects when blooms are open.

Seasonal Habits / Bloom Time: Blooms from early spring through the first frost, often with flushes every 5–6 weeks. Maintains green foliage most of the year in mild winters.

Ecological Relevance: Provides nectar and pollen for bees and other insect pollinators, though less than many native species. Offers some shelter for beneficial insects and small wildlife.

Interesting Facts:

  • Developed for disease resistance, especially to black spot fungus.

  • Requires minimal maintenance compared to traditional roses.

  • Available in several colors, with red being the most common.

Wildlife Associations: Attracts bees, some butterflies, and occasional hummingbirds. Rose hips (fruit) may be eaten by birds and small mammals.

Conservation Note: While not native, Knock Out Roses can be incorporated into pollinator-friendly gardens when combined with native plants to ensure robust ecological value.