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.

By checking out the USDA zone info for Old Town it's possible to estimate when it's possible to plant dipladenia.

Planting Calendar for Dipladenia

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

You should not plant dipladenia until after all chance of frost has passed because they require warm weather.

The earliest that you can plant dipladenia in Old Town 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 really do well. You can get started a few weeks earlier by starting your dipladenia indoors.

Last Frost Date

In Old Town the average date of last frost happens on April 15. You can expect an average low temperature of -20°F in the coldest months of winter.

Remember that USDA zone info for Old Town is an average and the actual date of last frost will vary from year to year. Half of the time in Old Town there is a last frost after April 15 so make sure that you are ready to protect your dipladenia if you have one of those late frosts.

USDA Zone Info for Old Town

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 Old Town

You may be interested in your other planting guides for Old Town.