One of the first steps you take when you are estimating 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.

One way of getting a good idea when it's possible to plant gloriosa lily is to refer to the USDA zone info for Rohnert Park.

Planting Calendar for Gloriosa Lily

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

You should not plant gloriosa lily until after the last frost because they do not do well in cold weather.

The earliest that you can plant gloriosa lily in Rohnert Park 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 gloriosa lily and expect a good harvest is probably September. You probably don't want to wait any later than that or else your gloriosa lily may not have a chance to grow to maturity. Starting your gloriosa lily indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Rohnert Park. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Rohnert Park may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Rohnert Park it frosts late in the year after February 15 so make sure that you are ready to protect your gloriosa lily in the event of a surprise late frost.

USDA Zone Info for Rohnert Park

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 Low	25°F
Highest Expected Low	30°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 Rohnert Park

You may be interested in your other planting guides for Rohnert Park.