One of the best tools that you have as gardeners to help us determine 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.

In Madison you can estimate when it's the best time to plant brachycome by looking at the USDA zone info.

Planting Calendar for Brachycome

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

Since brachycome require warm weather you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant brachycome in Madison is May. However, you really should wait until June 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 grow to maturity. Starting your brachycome indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Madison. In the coldest months of winter you can expect an average low temperature of -25°F.

It's important to remember that USDA zone info for Madison is just an average and the actual date of last frost will vary from year to year. Since half of the time in Madison you get surprised by a frost after May 15 be ready to cover your brachycome in the event of a late frost.

USDA Zone Info for Madison

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Madison

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