Gladiolus

Flower · warm season

Tall spikes of pink gladiolus flowers
Photo: William Pembroke at English Wikipedia, Wikimedia Commons (Public domain)

When to plant

  • Set out corms about around your average last spring frost.
  • Ready to harvest about 80 days after planting.
  • Sow again every 2 weeks for a steady harvest.

Plant a batch every 2 weeks for a long bloom season. Stake tall stems.

Frost dates depend on where you live. Enter your ZIP code to get exact dates.

Dates by zone: 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b

Growing basics

Not edible.

Harmful to pets. The corms and leaves are toxic to cats and dogs.

Sun
Full sun (6+ hours)
Spacing
6 in
Soil temperature
At least 60°F
Time to harvest
About 80 days
Containers
At least 2 gallons
Plant family
Other

Grow it well

Gladiolus seeds on Amazon (opens a new tab)Bypass pruners on Amazon (opens a new tab)

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