When to Plant Gazania in Edwardsville, IL

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of figuring out when it's a good idea to plant gazania is to examine the USDA zone info for Edwardsville.

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Planting Calendar for Gazania

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

Gazania do ok in moderate cold which tells us that you can get them planted just a bit earlier than other frost tender plants.

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

The earliest that you can plant gazania in Edwardsville 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 gazania and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gazania may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your gazania indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Edwardsville. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Edwardsville is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Edwardsville you get a frost after April 15 so just be sure to be ready to protect your gazania in the event of one of those late frosts.

USDA Zone Info for Edwardsville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Edwardsville

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