The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant dipladenia in Westville can be figured out by referring to the USDA zone info.

Planting Calendar for Dipladenia

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

Dipladenia require warm weather which tells us that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant dipladenia in Westville 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 dipladenia and expect a good harvest is probably August. If you wait any later than that and your dipladenia may not have a chance to grow to maturity. Starting your dipladenia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Westville. In the coldest months of winter you can expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Westville is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Westville you get surprised by a frost after April 15 be ready to cover your dipladenia in the event of a surprise late frost.

USDA Zone Info for Westville

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 Westville

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