Wednesday, September 28, 2022

Dahlia Plant Profile


Dahlia Plant Profile

Dahlia is a tuberous plant that produces ornamental flowers. The blooms range in size from small to quite large. They can range widely in form and coloration as well.

The Dahlia is native to the mountains of Mexico and Guatemala. It is hardy to zones 8 to 11, so it is treated as an annual in other growing zones. The tuberous roots are dug up each autumn and then stored indoors for the winter. They can be potted up or planted directly in the ground once the soils warm up again in the spring.

Dahlias need a site with good drainage and part to full sun. Due to their hollow stems and heavy flowers, most Dahlia plants will need to be staked or caged for support. In many ways, Dahlia growing is similar to how you would care for Tomato plants.

Dahlias do best with regular fertilizing. They do not need to be watered often and the tubers can actually rot if over-watered.

Dahlias are terrific cut flowers and only a few plants will give you months of blooms for beautiful bouquets.

Dahlia: You Can Grow That!

The video was produced by Washington Gardener Magazine as part of our Plant Profile series for Mid-Atlantic USA gardeners.

Audio and text by Kathy Jentz

Video and editing by Brandie Bland

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