Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Rutland you should be able to estimate when to plant calla lily.

Planting Calendar for Calla Lily

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

You should not plant calla lily until after all chance of frost has passed because they require warm weather.

The earliest that you can plant calla lily in Rutland is April. However, you really should wait until May 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 August. If you wait any later than that and your calla lily may not have a chance to fully mature. You can get started a few weeks earlier by starting your calla lily indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Rutland. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Rutland is just an average the actual date of last frost will vary from year to year. Half of the time in Rutland there is a last frost after April 15 so just be sure to be ready to protect your calla lily if you have a late frost.

USDA Zone Info for Rutland

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Rutland

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