Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Sandy you can determine when to plant alyssum by reviewing 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 are very cold tolerant you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant alyssum in Sandy 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. You probably don't want to wait any later than that or else your alyssum may not have a chance to really do well. You can get started a little bit earlier by starting your alyssum indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Sandy. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Sandy is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Sandy last frost occurs after April 15 be ready to cover your alyssum in the event of one of those late frosts.

USDA Zone Info for Sandy

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 Sandy

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