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 first opportunity to plant dallas fern in Diamond Bar should be determined by reviewing the USDA zone info.

Planting Calendar for Dallas Fern

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

Since dallas fern do not do well in cold weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant dallas fern in Diamond Bar 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. If you wait any later than that and your dallas fern may not have a chance to grow to maturity. Starting your dallas fern indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Diamond Bar is just an average and the actual date of last frost will vary from year to year. Since half of the time in Diamond Bar last frost occurs after January 31 be ready to protect your dallas fern in the event of one of those late frosts.

USDA Zone Info for Diamond Bar

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 Low	30°F
Highest Expected Low	35°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 Diamond Bar

You may be interested in your other planting guides for Diamond Bar.