When to Plant Evolvulus in Alhambra, CA

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

In Alhambra you can determine when to plant evolvulus by looking at the USDA zone info.


Planting Calendar for Evolvulus

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

Evolvulus do not do well in cold weather which means that it's important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant evolvulus in Alhambra 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 evolvulus and expect a good harvest is probably September. If you wait any later than that and your evolvulus may not have a chance to really do well. You can get started a little bit earlier by starting your evolvulus indoors.

Last Frost Date

The average date of last frost is January 31 in Alhambra. In the coldest months of winter you can expect an average low temperature of 30°F.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Alhambra and it is different every year. Since half of the time in Alhambra you get surprised by a frost after January 31 be ready to cover your evolvulus if you have a surprise late frost.

USDA Zone Info for Alhambra

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 Alhambra

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