When to Plant Brachycome in Ottawa, IL

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant brachycome in Ottawa should be determined by looking at the USDA zone info.

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Planting Calendar for Brachycome

Frost tolerance for brachycome: Not tolerant of frost.
When to plant: After all chance of frost has passed.

It's probably a bad idea to plant brachycome until after the last frost has passed because they require warm weather.

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

The earliest that you can plant brachycome in Ottawa is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant brachycome and expect a good harvest is probably August. You probably don't want to wait any later than that or else your brachycome may not have a chance to really do well. If you are starting your brachycome indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Ottawa. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that USDA zone info for Ottawa is an average and the actual date of last frost will vary from year to year. Since half of the time in Ottawa you get surprised by a frost after April 15 be ready to protect your brachycome in the event of one of those late frosts.

USDA Zone Info for Ottawa

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 Ottawa

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