One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when you can plant alyssum is to examine the USDA zone info for Lamar.

Planting Calendar for Alyssum

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

Alyssum do well in a bit of cold which means that you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant alyssum in Lamar 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 grow to maturity. Starting your alyssum indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Lamar. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Lamar may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Lamar there is a last frost after April 15 be ready to protect your alyssum in the event of one of those late frosts.

USDA Zone Info for Lamar

Here is the info for USDA Zone 6b.

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

Plants to Grow in Lamar

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