Before planting it is a good idea to find your USDA Zone info to estimate 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.

In Fountain you can figure out when it's possible to plant alyssum by using 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 earlier in the year than other plants that might not handle the cold.

The earliest that you can plant alyssum in Fountain 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. If you wait any later than that and your alyssum may not have a chance to grow to maturity. Starting your alyssum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Fountain. You should expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Fountain is an average and the actual date of last frost will vary from year to year. Half of the time in Fountain it frosts late in the year after April 15 so make sure that you are ready to protect your alyssum if you have a late frost.

USDA Zone Info for Fountain

Here is the info for USDA Zone 6a.

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

Plants to Grow in Fountain

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