One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when it's possible to plant calla lily by looking at the USDA zone info for Needles.

Planting Calendar for Calla Lily

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

Calla Lily require warm weather which means that you really should wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant calla lily in Needles 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 calla lily and expect a good harvest is probably September. If you wait any later than that and your calla lily may not have a chance to fully mature. Starting your calla lily indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Remember that USDA zone info for Needles is an average and the actual date of last frost changes from year to year. Half of the time in Needles it frosts late in the year after February 15 so just be sure to be ready to cover your calla lily in the event of a late frost.

USDA Zone Info for Needles

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 Needles

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