Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Sunnyvale it's a good idea to estimate when it's possible to plant cantaloupes.

Planting Calendar for Cantaloupes

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

Since cantaloupes do not do well in cold weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant cantaloupes in Sunnyvale 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 cantaloupes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your cantaloupes may not have a chance to grow to maturity. If you are starting your cantaloupes indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Sunnyvale. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Sunnyvale is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Sunnyvale you get surprised by a frost after February 15 be ready to cover your cantaloupes in the event of one of those late frosts.

USDA Zone Info for Sunnyvale

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 Sunnyvale

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