When to Plant Tagetes in Upland, CA

One of the first steps you take when you are determining your gardening schedule is find your 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 determine when it's the best time to plant tagetes in Upland by reviewing the USDA zone info.


Planting Calendar for Tagetes

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

Since tagetes do not do well in cold weather you must wait until after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant tagetes
Possibly ok, but a risky time to plant tagetes
Probably not a good time to plant tagetes

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

The last month that you can plant tagetes and expect a good harvest is probably September. Any later than that and your tagetes may not have a chance to fully mature. Starting your tagetes indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Upland the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Upland is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Upland you get surprised by a frost after January 31 be ready to cover your tagetes in the event of one of those late frosts.

USDA Zone Info for Upland

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Upland

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