One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Richardson you can estimate when it's possible to plant dahlberg daisy by checking out the USDA zone info.

Planting Calendar for Dahlberg Daisy

Frost tolerance for dahlberg daisy:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably a bad idea to plant dahlberg daisy until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant dahlberg daisy in Richardson is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant dahlberg daisy and expect a good harvest is probably August. If you wait any later than that and your dahlberg daisy may not have a chance to fully mature. If you are starting your dahlberg daisy indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Richardson. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Richardson is an average the actual date of last frost will vary from year to year. Half of the time in Richardson you get a frost after March 15 so make sure that you are prepared to cover your dahlberg daisy in the event of one of those late frosts.

USDA Zone Info for Richardson

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 Richardson

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