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 Sand Springs you can estimate when to plant alyssum by checking out the USDA zone info.

Planting Calendar for Alyssum

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

Since alyssum do well in cold you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant alyssum in Sand Springs 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 alyssum and expect a good harvest is probably September. Any later than that and your alyssum may not have a chance to really do well. If you are starting your alyssum indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Sand Springs. In the coldest months of winter you can expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Sand Springs is just an average and the actual date of last frost will vary from year to year. Since half of the time in Sand Springs you get a frost after April 15 be ready to cover your alyssum in the event of one of those late frosts.

USDA Zone Info for Sand Springs

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Sand Springs

You may be interested in your other planting guides for Sand Springs.