The USDA Zone info is a great tool for gardeners to help us figure out 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.

By referring to the USDA zone info for Byron it's possible to determine when to plant mimulus.

Planting Calendar for Mimulus

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

Since mimulus require warm weather it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant mimulus in Byron 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. Any later than that and your mimulus may not have a chance to grow to maturity. If you are starting your mimulus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Byron. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Byron may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Byron you get surprised by a frost after March 15 be ready to cover your mimulus if you have a surprise late frost.

USDA Zone Info for Byron

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 Byron

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