Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Santa Clara can be looked at to figure out when to plant brachycome.

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 are not cold tolerant 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 Santa Clara 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. You probably don't want to wait any later than that or else 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 Santa Clara the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Santa Clara 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 Santa Clara it frosts late in the year after February 15 be ready to cover your brachycome in the event of a surprise late frost.

USDA Zone Info for Santa Clara

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 Santa Clara

You may be interested in your other planting guides for Santa Clara.