Field ManualAll plants

Photo: SB Johnny, via Wikimedia CommonsLicense: CC BY-SA 3.0

Knock Out / Drift Roses

Rosa hybrida

Family: RosaceaeZones: 5 - 9

  • Continuous Bloomer
  • Full Sun
  • Self-Cleaning

Pet & Human Safety

People: Not researchedPets: Not on the ASPCA lists as we read them
Hazardous parts
Not yet checked.
Preparation
not applicable: not a food plant in PlotAndPetal
Hazard type
No poison information was found in the sources used. That is not a statement that the plant is safe., thorns can injure hands; UF/IFAS advises wearing gloves
Hazard route
Not yet checked.
How complete this information is
We have not researched the safety of this plant yet.

Toxic to pets
No ASPCA entry found.

Non-toxic to dogs, cats, and horses per ASPCA's Rose entry. The thorns are a mechanical/puncture hazard, not a toxicity risk: worth mentioning to a pet owner even though it isn't a poisoning concern.

PlotAndPetal cannot tell you whether a plant you found can be eaten. Only someone who can see the plant can identify it.

Poison control

If someone has collapsed, cannot be woken, is having a seizure or has trouble breathing, call 911 now. For any other possible poisoning, call Poison Help: 1-800-222-1222.

Emergency number source: U.S. federal law (47 U.S.C. § 251(e)(3)), read 2026-10-07.

Naturalist Lore

Historical Background & Breeding Lore

The history of this plant and its name, and how it was bred, where we have them.

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Care

Hardiness zones

5 - 9

Water needs

low

Mature size

Spread: 2-4 ft depending on cultivar. Height: 2-5 ft.

Where it comes from

Selective horticultural cultivars (not a wild species with a native range)

Soil & Drainage
Pruning & Flush Rhythm
Feeding Schedule

How to prepare the soil, when and what to feed, and how and when to prune where that applies.

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Anatomy & Guilds

Botanical Anatomy & Characteristics

How the flowers and leaves are built and which pollinators visit, where we have them.

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Field Doctor

Field Doctor

What can go wrong with this plant and what to do about it, where we have them.

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Vintage Plates

Vintage Plates

Old botanical drawings from public libraries are in the app, for plants where we have them.

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Sources

  1. Clemson HGIC, Growing Roses
  2. Clemson HGIC, Pruning Roses
  3. UF/IFAS Gardening Solutions, Roses
  4. Nebraska Extension (Lancaster County), Spring Pruning for Shrub Roses
  5. UF/IFAS Gardening Solutions, general nematode/soil-solarization management guidance
  6. ASPCA, Toxic and Non-Toxic Plants: Rose (whole-genus entry, Rosa Species: confirmed live 2026-09-28: Non-Toxic to Dogs, Cats, and Horses)
  7. UF/IFAS EDIS PP268, Black Spot of Rose (Mangandi and Peres; read 2026-10-05)
  8. Clemson HGIC, Rose Diseases (read 2026-10-05)
  9. UF/IFAS Gardening Solutions, Knock Out Roses

How we choose sources

Wishlists live in the app

Wishlists are part of the Plot & Petal app, which is coming soon. Nothing is added to a wishlist from this page.

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