When to Plant Larkspur in Barrington, IL

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Barrington should be looked at to figure out when it's possible to plant larkspur.

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Planting Calendar for Larkspur

Frost tolerance for larkspur: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Larkspur can survive in cold weather which tells us that you can plant them earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant larkspur in Barrington 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 larkspur and expect a good harvest is probably September. If you wait any later than that and your larkspur may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your larkspur indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Barrington. You can expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Barrington is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Barrington it frosts late in the year after April 15 be ready to cover your larkspur if you have one of those late frosts.

USDA Zone Info for Barrington

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 Barrington

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