The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Oswego you can estimate when it's the best time to plant brachycome by referring to the USDA zone info.

Planting Calendar for Brachycome

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

Since brachycome require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant brachycome in Oswego 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. Any later than that and your brachycome may not have a chance to grow to maturity. If you are starting your brachycome indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Oswego the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that USDA zone info for Oswego may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Oswego you get surprised by a frost after April 15 be ready to protect your brachycome if you have a surprise late frost.

USDA Zone Info for Oswego

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 Oswego

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