roses and fertilizers

Wed
22
May

Sun tea: hydrating humans and fertilizing roses

Roses

Roses like high levels of fertility, especially nitrogen. Thus, they need to be fertilized in March, June, and lightly in late August. Base your selection of fertilizer analysis on the results of a soil test. For June feeding, utilize fertilizers in which at least half of the nitrogen is in the slow release or slowly available form. In late August, apply fertilizer in which the nitrogen is readily available.

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