When to Plant Brussels Sprouts in Clear Lake, IA

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

You can estimate when to plant brussels sprouts in Clear Lake by using the USDA zone info.


Planting Calendar for Brussels Sprouts

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

Since brussels sprouts are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than other frost tender plants.

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

The earliest that you can plant brussels sprouts in Clear Lake 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 brussels sprouts and expect a good harvest is probably September. You probably don't want to wait any later than that or else your brussels sprouts may not have a chance to grow to maturity. You can get started a little bit earlier by starting your brussels sprouts indoors.

Last Frost Date

The average date of last frost is April 15 in Clear Lake. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Clear Lake is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Clear Lake last frost occurs after April 15 so make sure that you are prepared to protect your brussels sprouts if you have a late frost.

USDA Zone Info for Clear Lake

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Clear Lake

You may be interested in your other planting guides for Clear Lake.