One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Norcross can be reffered to in order to estimate when it's a good idea to plant mimulus.

Planting Calendar for Mimulus

Frost tolerance for mimulus:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You should not plant mimulus until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant mimulus in Norcross is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant mimulus and expect a good harvest is probably August. If you wait any later than that and your mimulus may not have a chance to really do well. If you are starting your mimulus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Norcross the average date of last frost happens on March 15. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Norcross is not always accurate the actual date of last frost changes from year to year. Since half of the time in Norcross you get a frost after March 15 be ready to cover your mimulus in the event of one of those late frosts.

USDA Zone Info for Norcross

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Norcross

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