One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

In Aliso Viejo you can figure out when it's possible to plant napa valley fern by reviewing the USDA zone info.

Planting Calendar for Napa Valley Fern

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

Napa Valley Fern do not do well in cold weather which tells us that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant napa valley fern in Aliso Viejo 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 napa valley fern and expect a good harvest is probably September. You probably don't want to wait any later than that or else your napa valley fern may not have a chance to grow to maturity. If you are starting your napa valley fern indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Aliso Viejo. It might get as low as 30°F during the coldest months of winter.

Always keep in mind that USDA zone info for Aliso Viejo is an average and the actual date of last frost changes from year to year. Since half of the time in Aliso Viejo there is a last frost after January 31 be ready to cover your napa valley fern if you have a surprise late frost.

USDA Zone Info for Aliso Viejo

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 Aliso Viejo

You may be interested in your other planting guides for Aliso Viejo.