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.

You will be able to determine when to plant gloriosa lily by referring to the USDA zone info for Snoqualmie.

Planting Calendar for Gloriosa Lily

Frost tolerance for gloriosa lily:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since gloriosa lily require warm weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant gloriosa lily in Snoqualmie 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 gloriosa lily and expect a good harvest is probably August. Any later than that and your gloriosa lily may not have a chance to really do well. You can get started a couple of weeks earlier by starting your gloriosa lily indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Snoqualmie. It might get as low as 15°F during the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Snoqualmie and it is different every year. Half of the time in Snoqualmie you get surprised by a frost after March 15 so just be sure to be ready to cover your gloriosa lily if you have a late frost.

USDA Zone Info for Snoqualmie

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 Snoqualmie

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