The USDA Zone info is a great tool for gardeners to help us determine 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 Norfolk you can determine when it's the best time to plant mimulus by checking out the USDA zone info.

Planting Calendar for Mimulus

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

Since mimulus do not do well in cold weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant mimulus in Norfolk 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. You probably don't want to wait any later than that or else your mimulus may not have a chance to grow to maturity. Starting your mimulus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Norfolk. It might get as low as -20°F during the coldest months of winter.

Remember that USDA zone info for Norfolk is just an average and the actual date of last frost will vary from year to year. Since half of the time in Norfolk it frosts late in the year after April 15 be ready to protect your mimulus in the event of a late frost.

USDA Zone Info for Norfolk

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Norfolk

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