When can I plant Chrysanthemum in Zone 5a

One of the best tools that we have as gardeners to help us determine our 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 our area.

The USDA zone info for Zone 5a can be used to estimate when you can plant chrysanthemum.


Planting Calendar for Chrysanthemum

Frost tolerance for chrysanthemum: Not tolerant of frost.
When you should plant them: After the last frost.

You really shouldn't plant chrysanthemum until after all chance of frost has passed because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant chrysanthemum
Possibly ok, but a risky time to plant chrysanthemum
Probably not a good time to plant chrysanthemum

The earliest that you can plant chrysanthemum in Zone 5a 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. You probably don't want to wait any later than that or else your chrysanthemum may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your chrysanthemum indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Zone 5a. In the coldest months of winter we should expect an average low temperature of -20°F.

Since the USDA zone info for Zone 5a may not be accurate from year to year our actual date of last frost will vary from year to year. Half of the time in Zone 5a we get a frost after April 15 so make sure that you are ready to protect your chrysanthemum if we have a surprise late frost.

USDA Zone Info for Zone 5a

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Zone 5a

You may be interested in our other planting guides for Zone 5a.