When To Plant Gladiolus

When To Plant Gladiolus

Do you know when to plant gladiolus? In this guide, we will cover all you need to know about the periods to plant gladiolus so read on to find out.

Gladiolus is a lovable plant. It is a perennial plant and it is specifically recognized for its tall flower projections. The gladiolus also features a colorful bloom with an amazing summer shine.

Most people grow gladiolus for the benefit of cut flowers. Their blooms are available in various colors. You will definitely enjoy growing one in your garden as gladiolus will be a great addition to your flower garden.

When to Plant Gladiolus

Just because gladioli are pretty tender, they cannot thrive in harsh conditions or too cold weather such as winter. For this reason, the best time to plant gladiolus is when the hazard time of frost has elapsed. Also, plant them when the environment is warming up.

Planting Gladiolus

Make sure the temperature is at least 13 degrees Celsius before you begin planting as gladiolus loves warm weather. Grow gladiolus corms in the spring period just around your last frost date.

Gladiolus can take about 60 to 90 days to bloom based on the varieties of gladiolus you choose. If you want to enjoy nonstop or continuous blooms throughout summer and early fall: You should plant gladioli corms every ten days or every two weeks from your last frost date to early summer.

Gladiolus Protection During Winter

The majority of the gladiolus varieties are hardy zone 7, thus, you can leave your plant in the ground over winter. As for region that is colder than zone 7, plant your gladiolus in the spring period exactly after the date of your last frost.

When its late fall and winter, your gladiolus corms should be dug out and stored. This is to prevent frost danger as the plant can become damaged with hard freeze conditions. This way, your gladiolus will take some time off for a couple of months and start afresh growing period in the next spring period.

Gladiolus Stakes for Plants 32 inch-10 pk

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Try to store the gladiolus corms in plastic mesh bags in a space with good air circulation. Also, store them where the temperature is about 35 to 50 degrees Fahrenheit. This will help keep the gladiolus corms steady for another beautiful bloom season.

Summary on When to Plant Gladiolus

In summary, let’s take a look at some points we have discussed above:

  • Gladiolus loves warm environment so the best time to plant gladiolus is from springtime up until fall.
  • They cannot thrive in harsh conditions such as winter.
  • Plant gladiolus only when the temperature is at least 13 degrees Celsius.
  • Enjoy continuous bloom throughout summer and early fall by planting gladiolus every 2 weeks from your last frost to early summer.
  • Dig out gladiolus corms and store them during winter to prevent frost dangers.
  • Also, store your gladiolus in a well-ventilated space with a temperature of about 35 to 50 degrees Celsius.


With that said, we do hope you have an idea of when to plant gladiolus. Comment below if you still have some questions.