When to Plant Brussels Sprouts in New Castle, IN

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

It's possible to figure out when it's a good idea to plant brussels sprouts by checking out the USDA zone info for New Castle.


Planting Calendar for Brussels Sprouts

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

Brussels Sprouts are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than other plants that might not handle the cold.

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 New Castle 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. If you wait any later than that and 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 New Castle. In the coldest months of winter you can expect an average low temperature of -15°F.

Keep in mind that USDA zone info for New Castle is just an average and the actual date of last frost is different every year. Half of the time in New Castle there is a last frost after April 15 so make sure that you are ready to protect your brussels sprouts if you have a surprise late frost.

USDA Zone Info for New Castle

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in New Castle

You may be interested in your other planting guides for New Castle.