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.

In Addison you can determine when it's the best time to plant larkspur by reviewing the USDA zone info.

Planting Calendar for Larkspur

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

Larkspur do well in cold weather which tells us that you can plant them quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant larkspur in Addison 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. If you wait any later than that and your larkspur may not have a chance to really do well. You can get started a few weeks earlier by starting your larkspur indoors.

Last Frost Date

In Addison the average date of last frost happens on March 15. It might get as low as 10°F during the coldest months of winter.

Remember that USDA zone info for Addison is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Addison it frosts late in the year after March 15 be ready to protect your larkspur in the event of a surprise late frost.

USDA Zone Info for Addison

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Addison

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