One of the best tools that you have as gardeners to help us estimate 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.

One way of figuring out when it's a good idea to plant alstromeria is to refer to the USDA zone info for Orting.

Planting Calendar for Alstromeria

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

Alstromeria can survive in some cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant alstromeria in Orting 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 alstromeria and expect a good harvest is probably September. You probably don't want to wait any later than that or else your alstromeria may not have a chance to fully mature. Starting your alstromeria indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Orting. In the coldest months of winter you should expect an average low temperature of 15°F.

Just be sure to remember that USDA zone info for Orting may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Orting it frosts late in the year after March 15 be ready to protect your alstromeria if you have one of those late frosts.

USDA Zone Info for Orting

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

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

Plants to Grow in Orting

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