One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when you can plant dipladenia in Cotati by using the USDA zone info.

Planting Calendar for Dipladenia

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

Dipladenia do not do well in cold weather which tells us that it's important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant dipladenia in Cotati is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant dipladenia and expect a good harvest is probably September. Any later than that and your dipladenia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your dipladenia indoors.

Last Frost Date

The average date of last frost is February 15 in Cotati. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Cotati is just an average the actual date of last frost will vary from year to year. Since half of the time in Cotati it frosts late in the year after February 15 be ready to protect your dipladenia in the event of a late frost.

USDA Zone Info for Cotati

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Cotati

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