When to Plant Veronica 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.

It's a good idea to determine when it's possible to plant veronica by reviewing the USDA zone info for Edwardsville.

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Planting Calendar for Veronica

Frost tolerance for veronica: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

You can plant veronica just a bit earlier in the year because they are moderately cold tolerant.

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

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

The last month that you can plant veronica and expect a good harvest is probably September. If you wait any later than that and your veronica may not have a chance to fully mature. Starting your veronica indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Edwardsville. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Edwardsville is just an average and the actual date of last frost will vary from year to year. Half of the time in Edwardsville you get a frost after April 15 so be sure to be ready to protect your veronica in the event of a late frost.

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.