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.

The first opportunity to plant veronica in Snohomish can be estimated by reviewing 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 are one of those plants that can tolerate a little bit of cold weather which means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant veronica in Snohomish 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 fully mature. Starting your veronica indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Snohomish the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Snohomish is an average the actual date of last frost changes from year to year. Half of the time in Snohomish last frost occurs after March 15 so make sure that you are prepared to cover your veronica if you have a surprise late frost.

USDA Zone Info for Snohomish

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Snohomish

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