When to Plant Gladiolus in Zone 13a

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Zone 13a can be reviewed to estimate when to plant gladiolus.

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Planting Calendar for Gladiolus

Frost tolerance for gladiolus: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Since gladiolus are one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant gladiolus
Possibly ok, but a risky time to plant gladiolus
Probably not a good time to plant gladiolus

The earliest that you can plant gladiolus in Zone 13a is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant gladiolus and expect a good harvest is probably November. If you wait any later than that and your gladiolus may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your gladiolus indoors.

Last Frost Date

In Zone 13a it never frosts. It might get as low as 60°F during the coldest months of winter.

Remember that USDA zone info for Zone 13a is just an average and the actual date of last frost will vary from year to year. Since it never frosts in Zone 13a you do not have to be ready to protect your gladiolus in the event of one of those late frosts.

USDA Zone Info for Zone 13a

Here is the info for USDA Zone 13a.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low60°F
Highest Expected Low65°F

This means that on a really cold year, the coldest it will get is 60°F. On most years you should be prepared to experience lows near 65°F.

Plants to Grow in Zone 13a

You may be interested in your other planting guides for Zone 13a.