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.

One way of making a decision about when to plant brachycome is to consult the USDA zone info for Sullivan.

Planting Calendar for Brachycome

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

Brachycome require warm weather which tells us that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant brachycome in Sullivan 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. You can get started a little bit earlier by starting your brachycome indoors.

Last Frost Date

The average date of last frost is April 15 in Sullivan. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Sullivan is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Sullivan it frosts late in the year after April 15 be ready to cover your brachycome in the event of a surprise late frost.

USDA Zone Info for Sullivan

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Sullivan

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