Double Knock Out Rose — Price Comparison
Rosa 'Radtko' (Double Knock Out)
Prices range from $23.99 to $79.95 — save up to 70% by comparing.
Quick Facts
- Hardiness Zones
- 5, 6, 7, 8, 9
- Sun
- Full sun
- Mature Size
- 3-4 ft tall x 3-4 ft wide
- Bloom Time
- Spring through first frost (continuous)
- Type
- Deciduous shrub
Current Prices
Prices last checked: April 03, 2026
| Retailer | Quart | 1 Gal | 2 Gal | 3 Gal | In Stock | Shipping | |
|---|---|---|---|---|---|---|---|
| Great Garden Plants * | $23.99 | — | — | — | Check Site | Free over $125 | Buy at Great |
| Fast Growing Trees | — | $24.95 $29.95 | — | — | In Stock | Free over $99 | Buy at Fast affiliate link |
| Spring Hill Nurseries | — | — | — | — | Check Site | Free over $125 | Buy at Spring affiliate link |
| PlantingTree | — | $24.95 | $56.95 | $79.95 | Check Site | Free over $119 | Buy at PlantingTree affiliate link |
* We don't earn a commission from retailers marked with an asterisk. They're included because showing all options is more useful to you than only showing the ones that pay us.
When to Buy & Plant Double Knock Out Rose
Price Seasonality
● Cheapest months
● Average
● Most expensive
Best time to buy: September-October
Most expensive: March-April
Bare-root roses (January-March) are cheapest but limited selection. Potted roses peak in spring. End-of-season clearance offers 20-40% off.
Pro tip: For Knock Out roses, fall planting works well in zones 6-9. Bare-root in late winter is cheapest.
Planting Season by Zone
| Zone | Spring Planting | Fall Planting |
|---|---|---|
| Zone 5 | Apr-May | Sep-Oct |
| Zone 6 | Mar-May | Oct-Nov |
| Zone 7 | Mar-Apr | Oct-Nov |
| Zone 8 | Feb-Mar | Nov-Dec |
| Zone 9 | Jan-Mar | Nov-Dec |