One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when you can plant brachycome in Trenton 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 when the weather gets warmer.

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

The earliest that you can plant brachycome in Trenton 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 fully mature. If you are starting your brachycome indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Trenton. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Trenton may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Trenton it frosts late in the year after April 15 be ready to cover your brachycome if you have a surprise late frost.

USDA Zone Info for Trenton

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Trenton

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