Before planting it is a good idea to find your USDA Zone info to figure out your garden 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 chance to plant larkspur in Dallas can be estimated 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.

Since larkspur are very cold tolerant you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant larkspur in Dallas 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. Starting your larkspur indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Dallas may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Dallas last frost occurs after March 15 so make sure that you are prepared to cover your larkspur if you have a late frost.

USDA Zone Info for Dallas

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 Dallas

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