When to Plant Scutellaria in Upland, CA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 will be able to estimate when you can plant scutellaria by checking out the USDA zone info for Upland.


Planting Calendar for Scutellaria

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

Scutellaria do not do well in cold weather which means that it is necessary to wait until it warms up after all chance of frost has passed before you can plant them.

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

The earliest that you can plant scutellaria 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 scutellaria and expect a good harvest is probably September. Any later than that and your scutellaria may not have a chance to really do well. Starting your scutellaria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Upland. You should expect an average low temperature of 30°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Upland and it will vary from year to year. Since half of the time in Upland it frosts late in the year after January 31 be ready to protect your scutellaria if you have a late frost.

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.