What to Do with Flowers Before The First Frost - Knowledgebase Question

Akron, OH
Question by amyrodgers
September 12, 2000
I planted flowers from seed for the first time this year outside in the yard. Before we get our first frost, should I cut my plants down? If so how far. I planted Marigolds,
Zinnias, Snapdragons, a mixture of annual cut flowers, Daisies, Alyssum, Vinca, old fashioned mixture, dianthus, portulaca, pansy, four o'clocks, and poppy.
I also planted 3 rose bushes.


Image
Answer from NGA
September 12, 2000

0

fertilizing 6 weeks before the first frost and let spent flowers go to seed rather than cutting them off. This encourages the plant to go into dormancy. Then,

1. Deep water after the first frost, but before the ground hardens.

2. When nights start being frosty on a regular basis, mound several shovels of soil over the base of the plant, at least a foot above the bud union. To make this easier, you can tie the canes together with a string.

3. When the ground is completely frozen, cover the mound with a foot layer of mulch, such as compost or leaves. Remove all leaves from the roses, which can harbor disease and increase drying out of the plant. Enclose the rose with a cyclinder of wire mesh and fill it with mulch or soil.

4. When the ground starts thawing in the spring, gradually start removing the covering. Don't remove all at once, let the plant acclimate. fertilizing 6 weeks before the first frost and let spent flowers go to seed rather than cutting them off. This encourages the plant to go into dormancy. Then,

1. Deep water after the first frost, but before the ground hardens.

2. When nights start being frosty on a regular basis, mound several shovels of soil over the base of the plant, at least a foot above the bud union. To make this easier, you can tie the canes together with a string.

3. When the ground is completely frozen, cover the mound with a foot layer of mulch, such as compost or leaves. Remove all leaves from the roses, which can harbor disease and increase drying out of the plant. Enclose the rose with a cyclinder of wire mesh and fill it with mulch or soil.

4. When the ground starts thawing in the spring, gradually start removing the covering. Don't remove all at once, let the plant acclimate.

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