When can I plant Garden Mums in Zone 8b

One of the first steps we take when we are determining our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

By looking at the USDA zone info for Zone 8b it's possible to estimate when to plant garden mums.


Planting Calendar for Garden Mums

Frost tolerance for garden mums: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Since garden mums do well in moderate cold you can plant them a little earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant garden mums in Zone 8b is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant garden mums and expect a good harvest is probably September. You probably don't want to wait any later than that or else your garden mums may not have a chance to fully mature. You can get started a few weeks earlier by starting your garden mums indoors.

Last Frost Date

In Zone 8b the average date of last frost happens on March 15. We should expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 8b and it changes from year to year. Since half of the time in Zone 8b it frosts late in the year after March 15 be ready to protect your garden mums in the event of a surprise late frost.

USDA Zone Info for Zone 8b

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

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

Plants to Grow in Zone 8b

You may be interested in our other planting guides for Zone 8b.