One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Springdale can be used to determine when to plant dipladenia.

Planting Calendar for Dipladenia

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

Since dipladenia do not do well in cold weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant dipladenia in Springdale 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 grow to maturity. You can get started a couple of weeks earlier by starting your dipladenia indoors.

Last Frost Date

In Springdale the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Springdale may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Springdale last frost occurs after April 15 be ready to protect your dipladenia if you have a surprise late frost.

USDA Zone Info for Springdale

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 Springdale

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