When to Plant Veronica in Carbondale, 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.

A way of estimating when it's possible to plant veronica is to examine the USDA zone info for Carbondale.


Planting Calendar for Veronica

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

Veronica tend to make it in moderate cold which means that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

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 Carbondale 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 grow to maturity. Starting your veronica indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Carbondale the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Carbondale and it will vary from year to year. Since half of the time in Carbondale you get surprised by a frost after April 15 be ready to protect your veronica in the event of a late frost.

USDA Zone Info for Carbondale

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Carbondale

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