Why didn’t my new alliums bloom?

There are several common reasons allium bulbs may fail to flower, including planting them too deep or too shallow, heavy soil, and improper bulb storage. Horticulturist Jim Crowder explains the ideal planting depth for allium bulbs, how early soil warming can damage developing flower buds, and why storing bulbs in a refrigerator with ripening fruit can prevent them from blooming.

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