When can I plant Indian cress in Zone 1a

The USDA Zone info is a great tool for gardeners to help us determine 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 1a can be reffered to in order to figure out when to plant indian cress.


Planting Calendar for Indian cress

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

Indian cress require warm weather which tells us that it's important 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 indian cress
Possibly ok, but a risky time to plant indian cress
Probably not a good time to plant indian cress

The earliest that you can plant indian cress 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 indian cress and expect a good harvest is probably July. You probably don't want to wait any later than that or else your indian cress may not have a chance to really do well. Starting your indian cress indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is June 15 in Zone 1a. In the coldest months of winter we should expect an average low temperature of -60°F.

Since the USDA zone info for Zone 1a is an average our actual date of last frost will vary from year to year. Since half of the time in Zone 1a last frost occurs after June 15 be ready to protect your indian cress if we have a 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.