When can I plant Crassula in Zone 1a

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

It's possible to figure out when it's possible to plant crassula by reviewing the USDA zone info for Zone 1a.


Planting Calendar for Crassula

Frost tolerance for crassula: Not tolerant of frost.
When you should plant them: After the last frost when the weather gets warmer.

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

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

The earliest that you can plant crassula in Zone 1a is June. However, you really should wait until July if you don't want to take any chances.

The last month that you can plant crassula and expect a good harvest is probably July. Any later than that and your crassula may not have a chance to really do well. You can get started a couple of weeks earlier by starting your crassula indoors.

Last Frost Date

In Zone 1a the average date of last frost happens on June 15. It might get as low as -60°F during the coldest months of winter.

Remember that USDA zone info for Zone 1a is an average and our actual date of last frost is different every year. Since half of the time in Zone 1a we get a frost after June 15 be ready to protect your crassula in the event of a surprise late frost.

USDA Zone Info for Zone 1a

Here is the info for USDA Zone 1a.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-60°F
Highest Expected Low-55°F

This means that on a really cold year, the coldest it will get is -60°F. On most years you should be prepared to experience lows near -55°F.

Plants to Grow in Zone 1a

You may be interested in our other planting guides for Zone 1a.