When to Plant Lithospermum in South El Monte, CA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In South El Monte you can figure out when you can plant lithospermum by checking out the USDA zone info.


Planting Calendar for Lithospermum

Frost tolerance for lithospermum: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

It's a bad idea to plant lithospermum until after the last frost has passed because they do not do well in cold weather.

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

The earliest that you can plant lithospermum in South El Monte 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 lithospermum and expect a good harvest is probably September. Any later than that and your lithospermum may not have a chance to grow to maturity. If you are starting your lithospermum indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in South El Monte. You can expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for South El Monte may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in South El Monte last frost occurs after January 31 be ready to protect your lithospermum in the event of a late frost.

USDA Zone Info for South El Monte

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 South El Monte

You may be interested in your other planting guides for South El Monte.