When to Plant Crassula in Zone 3a

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Zone 3a you will be able to estimate when you can plant crassula.


Planting Calendar for Crassula

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

Since crassula are not cold tolerant it is necessary to wait until after the last frost has passed 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 3a is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant crassula and expect a good harvest is probably August. If you wait any later than that and your crassula may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your crassula indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Zone 3a. You can expect an average low temperature of -40°F in the coldest months of winter.

Since the USDA zone info for Zone 3a is an average the actual date of last frost is different every year. Half of the time in Zone 3a there is a last frost after May 15 so always be ready to protect your crassula in the event of a surprise late frost.

USDA Zone Info for Zone 3a

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-40°F
Highest Expected Low-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in Zone 3a

You may be interested in your other planting guides for Zone 3a.