The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Frisco you can estimate when it's possible to plant erysimum by using the USDA zone info.

Planting Calendar for Erysimum

Frost tolerance for erysimum:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Erysimum do ok in some cold which tells us that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant erysimum in Frisco 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 erysimum and expect a good harvest is probably September. You probably don't want to wait any later than that or else your erysimum may not have a chance to really do well. You can get started a few weeks earlier by starting your erysimum indoors.

Last Frost Date

The average date of last frost is April 15 in Frisco. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Frisco may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Frisco you get surprised by a frost after April 15 so make sure that you are ready to protect your erysimum in the event of a surprise late frost.

USDA Zone Info for Frisco

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Frisco

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