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

By checking out the USDA zone info for Rumson it's a good idea to figure out when to plant dipladenia.

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 must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant dipladenia in Rumson 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 fully mature. Starting your dipladenia indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Rumson. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Rumson is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Rumson last frost occurs after April 15 be ready to protect your dipladenia if you have a late frost.

USDA Zone Info for Rumson

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Rumson

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