One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. 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 alstromeria in Richmond can be estimated by using the USDA zone info.

Planting Calendar for Alstromeria

Frost tolerance for alstromeria:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Alstromeria do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant alstromeria in Richmond is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant alstromeria and expect a good harvest is probably October. Any later than that and your alstromeria may not have a chance to really do well. You can get started a couple of weeks earlier by starting your alstromeria indoors.

Last Frost Date

In Richmond the average date of last frost happens on February 15. You can expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Richmond is an average and the actual date of last frost will vary from year to year. Half of the time in Richmond you get surprised by a frost after February 15 so make sure that you are ready to cover your alstromeria if you have one of those late frosts.

USDA Zone Info for Richmond

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Richmond

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