When to Plant Hosta in Grand Terrace, 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.

The USDA zone info for Grand Terrace should be looked at to estimate when you can plant hosta.


Planting Calendar for Hosta

Frost tolerance for hosta: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Hosta can survive in a little bit of cold which means that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant hosta in Grand Terrace is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant hosta and expect a good harvest is probably October. You probably don't want to wait any later than that or else your hosta may not have a chance to grow to maturity. If you are starting your hosta 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 February 15 in Grand Terrace. You can expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Grand Terrace may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Grand Terrace you get a frost after February 15 be ready to protect your hosta in the event of one of those late frosts.

USDA Zone Info for Grand Terrace

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 Low25°F
Highest Expected Low30°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 Grand Terrace

You may be interested in your other planting guides for Grand Terrace.