When to Plant Dallas Fern in Ontario, 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.

It's possible to determine when it's the best time to plant dallas fern by looking at the USDA zone info for Ontario.


Planting Calendar for Dallas Fern

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

Dallas Fern require warm weather which means that you really should wait until it warms up after all chance of frost has passed before you can plant them.

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

The earliest that you can plant dallas fern in Ontario 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 dallas fern and expect a good harvest is probably September. You probably don't want to wait any later than that or else your dallas fern may not have a chance to really do well. You can get started a little bit earlier by starting your dallas fern indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Ontario. In the coldest months of winter you should expect an average low temperature of 30°F.

It's important to remember that USDA zone info for Ontario is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Ontario you get a frost after January 31 so make sure that you are ready to protect your dallas fern if you have a late frost.

USDA Zone Info for Ontario

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 Ontario

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