Rose Hardiness Zone Map - Rose Magazine

For Zones 7 - 8, plant grafted roses so their bud unions are at the soil line. Do the same for own-root roses.

For Zones 5 - 6, plant grafted roses so their bud unions are the width of three fingers below the soil line. For own-root roses, plant the root crown at the soil line or slightly below.

For Zone 4 and colder, plant grafted roses the width of your hand below the soil line. Own root roses (those that will survive these winter temperatures) can be planted at the soil line.

While holding onto the rose, fill the hole with garden soil. Use a bucket or garden hose to water in the soil around the roots. This is important to remove any major air pockets left by the filling process, and ensure good root/soil contact. Don’t let the rose settle deeper into the hole than you intend for your hardiness zone. [Hint: As a technique, secure the rose with plastic tape or twine to the stake laid across the hole. This helps prevent it from sinking into the hole as you water-in the soil.]

After watering-in, apply a solution of rooting stimulator to the root zone. (If you added synthetic Vitamin B-1 to your root soaking solution in Step 2, use it here.) Do not apply the rooting stimulator until after you have watered-in the rose. Doing otherwise could burn the roots.

Mound garden soil up around the exposed canes, but leave the top two bud eyes exposed. This will protect the rose from any severe late frosts until the roots develop. It also signals the rose to get started doing its thing. After the bud eyes swell and the first few new leaflets appear, remove the soil from around the canes and form a watering well around the base of the rose.

Sit back and enjoy all your hard work. You’ve earned it!

If you are not sure which Hardiness Zone you are in and you live in the North American continent or Hawaii, then you can check your zone at USDA Hardiness Zone Map or Plant Hardiness Zones of Canada. If you don’t live in the North American continent, click here for a temperature table to compare your average lowest winter temperature to a specified hardiness zone.
By Mark Whitelaw, Kindly Provided by Laura Whitelaw

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