One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when it's a good idea to plant brachycome by referring to the USDA zone info for Riverside.

Planting Calendar for Brachycome

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

Since brachycome are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

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

The last month that you can plant brachycome and expect a good harvest is probably September. If you wait any later than that and 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 little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Riverside. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Riverside may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Riverside last frost occurs after February 15 so be sure to be ready to protect your brachycome in the event of a surprise late frost.

USDA Zone Info for Riverside

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Riverside

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