When can I plant Crassula in Zone 1b

The USDA Zone info is a great tool for gardeners to help us figure out our gardening schedule. 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 1b can be reffered to in order to estimate when it's the best time to plant crassula.


Planting Calendar for Crassula

Frost tolerance for crassula: Not tolerant of frost.
When you should plant them: After all chance of frost has passed.

It's a bad idea to plant crassula until after all chance of frost has passed because they require warm weather.

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 1b 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. If you wait any later than that and your crassula may not have a chance to grow to maturity. If you are starting your crassula indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on June 15 in Zone 1b. It might get as low as -55°F during the coldest months of winter.

Remember that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 1b and it changes from year to year. Since half of the time in Zone 1b it frosts late in the year after June 15 be ready to cover your crassula in the event of a late frost.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

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