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

One way of determining when to plant chrysanthemum is to look at the USDA zone info for Ambridge.

Planting Calendar for Chrysanthemum

Frost tolerance for chrysanthemum:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Chrysanthemum are not cold tolerant which tells us that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant chrysanthemum in Ambridge 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 chrysanthemum and expect a good harvest is probably August. Any later than that and your chrysanthemum may not have a chance to really do well. Starting your chrysanthemum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Ambridge. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Ambridge is not always accurate and the actual date of last frost is different every year. Half of the time in Ambridge you get surprised by a frost after April 15 so be sure to be ready to protect your chrysanthemum if you have a surprise late frost.

USDA Zone Info for Ambridge

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 Ambridge

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