The USDA Zone info is a great tool for gardeners to help us determine 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.

In Siloam Springs you can determine when to plant veronica by using 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.

Since veronica are moderately cold tolerant you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant veronica in Siloam Springs 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. 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 little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Siloam Springs. You should expect an average low temperature of 0°F in the coldest months of winter.

It's important to remember that USDA zone info for Siloam Springs is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Siloam Springs there is a last frost after April 15 be ready to protect your veronica in the event of one of those late frosts.

USDA Zone Info for Siloam Springs

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

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

Plants to Grow in Siloam Springs

You may be interested in your other planting guides for Siloam Springs.