One of the best tools that you have as gardeners to help us estimate 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.

In Shelton you can estimate when to plant mimulus by using the USDA zone info.

Planting Calendar for Mimulus

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

Mimulus require warm weather which means that you really should wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant mimulus in Shelton 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 really do well. You can get started a couple of weeks earlier by starting your mimulus indoors.

Last Frost Date

The average date of last frost is March 15 in Shelton. You can expect an average low temperature of 15°F in the coldest months of winter.

It's important to remember that USDA zone info for Shelton is not always accurate and the actual date of last frost changes from year to year. Half of the time in Shelton it frosts late in the year after March 15 so make sure that you are ready to protect your mimulus in the event of a late frost.

USDA Zone Info for Shelton

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

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

Plants to Grow in Shelton

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