Wednesday, June 29, 2022

Gladiola Plant Profile

Plant Profile: Gladiola 

This summer-blooming bulb is known for its showy flowers that come in a rainbow of colors. My favorites are the chartreuse green ones, but I also enjoy the lavenders and pink blends as well. 

Gladiolus can be planted in spring after the last spring frost (mid-May here in the Mid-Atlantic). It comes up in mid-summer (about 90 days from planting). After that, it will behave as a perennial in your garden. Be sure to plant the bulb deep enough and give it some mulch for extra winter protection, especially if you are in USDA Zone 6 or lower.

Glads require full sun for best blooming and may need some staking if they are not supported by surrounding plants.

After blooming, remove the faded flowers and then cut the whole stalk down. You can also cut the stalk when just a few blooms are open to enjoy the rest as they open in your indoor arrangements.

Gladiolus: You CAN Grow That!

Did you know that 2022 is Year of the Gladiolus?
Read more about them at

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

Audio, video, and text by Kathy Jentz

Editing by Jamie Oberg

Still photos courtesy of the National Garden Bureau

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~ Podcast: GardenDC


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