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

One way of estimating when it's the best time to plant painted tongues is to consult the USDA zone info for Silvis.

Planting Calendar for Painted Tongues

Frost tolerance for painted tongues:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Painted Tongues require warm weather which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant painted tongues in Silvis 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 painted tongues and expect a good harvest is probably August. You probably don't want to wait any later than that or else your painted tongues may not have a chance to fully mature. If you are starting your painted tongues indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Silvis is an average and the actual date of last frost is different every year. Since half of the time in Silvis last frost occurs after April 15 be ready to cover your painted tongues if you have a surprise late frost.

USDA Zone Info for Silvis

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Silvis

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