The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Avon should be used to estimate when you can plant larkspur.

Planting Calendar for Larkspur

Frost tolerance for larkspur:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since larkspur are very cold tolerant you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant larkspur in Avon 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 larkspur and expect a good harvest is probably September. Any later than that and your larkspur may not have a chance to fully mature. If you are starting your larkspur indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Avon. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Avon is an average and the actual date of last frost will vary from year to year. Half of the time in Avon it frosts late in the year after April 15 so just be sure to be ready to protect your larkspur if you have one of those late frosts.

USDA Zone Info for Avon

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 Avon

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