When to Plant Chinese cabbage in Alton, IL

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's possible to plant chinese cabbage in Alton by looking at the USDA zone info.


Planting Calendar for Chinese cabbage

Frost tolerance for chinese cabbage: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Chinese cabbage do ok in some cold which means that you can plant them a bit earlier in the year than other frost tender plants.

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

The earliest that you can plant chinese cabbage in Alton 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 chinese cabbage and expect a good harvest is probably September. Any later than that and your chinese cabbage may not have a chance to really do well. Starting your chinese cabbage indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Alton. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Alton may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Alton last frost occurs after April 15 so make sure that you are prepared to protect your chinese cabbage in the event of a surprise late frost.

USDA Zone Info for Alton

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Alton

You may be interested in your other planting guides for Alton.