Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when it's the best time to plant dipladenia is to consult the USDA zone info for Northwood.

Planting Calendar for Dipladenia

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

It's a bad idea to plant dipladenia until after the last frost because they are not cold tolerant.

The earliest that you can plant dipladenia in Northwood 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. Any later than that and your dipladenia may not have a chance to really do well. Starting your dipladenia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Northwood. You can expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Northwood is just an average and the actual date of last frost changes from year to year. Since half of the time in Northwood you get surprised by a frost after April 15 be ready to cover your dipladenia if you have a surprise late frost.

USDA Zone Info for Northwood

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Northwood

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