One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Denison you will be able to determine when you can plant swan river daisy.

Planting Calendar for Swan River Daisy

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

It's probably a bad idea to plant swan river daisy until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant swan river daisy in Denison 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 swan river daisy and expect a good harvest is probably August. Any later than that and your swan river daisy may not have a chance to fully mature. You can get started a little bit earlier by starting your swan river daisy indoors.

Last Frost Date

In Denison the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Denison is not always accurate the actual date of last frost changes from year to year. Since half of the time in Denison it frosts late in the year after March 15 be ready to protect your swan river daisy in the event of a late frost.

USDA Zone Info for Denison

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 Denison

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