frostdate name logo in white
frostdate name logo in white

When to Plant Hamelia in American Canyon, CA

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

The USDA zone info for American Canyon can be looked at to determine when you can plant hamelia.


Planting Calendar for Hamelia

Frost tolerance for hamelia: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Hamelia are not cold tolerant which tells us that it's important to wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant hamelia in American Canyon is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant hamelia and expect a good harvest is probably September. If you wait any later than that and your hamelia may not have a chance to fully mature. If you are starting your hamelia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on February 15 in American Canyon. You can expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind 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 American Canyon and it can change quite a bit from year to year. Half of the time in American Canyon you get surprised by a frost after February 15 so make sure that you are prepared to protect your hamelia if you have a surprise late frost.

USDA Zone Info for American Canyon

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 American Canyon

You may be interested in your other planting guides for American Canyon.