Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's possible to plant veronica in Glendale Heights by checking out the USDA zone info.

Planting Calendar for Veronica

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

Veronica do ok in mild cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant veronica in Glendale Heights 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. You can get started a little bit earlier by starting your veronica indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Glendale Heights. In the coldest months of winter you should expect an average low temperature of -15°F.

Remember that USDA zone info for Glendale Heights is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Glendale Heights you get surprised by a frost after April 15 be ready to protect your veronica in the event of a surprise late frost.

USDA Zone Info for Glendale Heights

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Glendale Heights

You may be interested in your other planting guides for Glendale Heights.