Q.fertilizing zinnias grown from seeds
Should zinnias be fertilized as soon as they start growing or wait until they are blooming?
Downtoearthdigs
Answered on June 2, 2017
When the seedlings are about 4 inches tall, you can fertilize with a light application of a 5-10-5 fertilizer.
You can repeat a feeding in mid-season to help them keep growing.
Do not over fertilize, as excessive nitrogen will cause lots of green leaves and little or no flowering.
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