Before planting it is a good idea to find your USDA Zone info to figure out 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.

You can figure out when it's the best time to plant cantaloupes in Rancho Cucamonga by looking at the USDA zone info.

Planting Calendar for Cantaloupes

Frost tolerance for cantaloupes:	Not tolerant of frost.
When to plant:	After the last frost.

You can not plant cantaloupes until after the last frost because they are not cold tolerant.

The earliest that you can plant cantaloupes in Rancho Cucamonga 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. If you wait any later than that and 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 few weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Rancho Cucamonga may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Rancho Cucamonga you get surprised by a frost after February 15 be ready to protect your cantaloupes if you have one of those late frosts.

USDA Zone Info for Rancho Cucamonga

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 Rancho Cucamonga

You may be interested in your other planting guides for Rancho Cucamonga.