When to Plant Lisianthus in Galveston, TX

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's possible to plant lisianthus in Galveston by using the USDA zone info.


Planting Calendar for Lisianthus

Frost tolerance for lisianthus: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

It's a bad idea to plant lisianthus until after the last frost because they are not cold tolerant.

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

The earliest that you can plant lisianthus in Galveston is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant lisianthus and expect a good harvest is probably September. Any later than that and your lisianthus may not have a chance to grow to maturity. You can get started a little bit earlier by starting your lisianthus indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Galveston. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Galveston is just an average the actual date of last frost is different every year. Since half of the time in Galveston you get a frost after February 15 be ready to protect your lisianthus if you have a surprise late frost.

USDA Zone Info for Galveston

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Galveston

You may be interested in your other planting guides for Galveston.