One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when you can plant gloriosa lily is to examine the USDA zone info for Ripon.

Planting Calendar for Gloriosa Lily

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

You should not plant gloriosa lily until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant gloriosa lily in Ripon 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 grow to maturity. You can get started a little bit earlier by starting your gloriosa lily indoors.

Last Frost Date

The average date of last frost is April 15 in Ripon. It might get as low as -20°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Ripon and it will vary from year to year. Since half of the time in Ripon it frosts late in the year after April 15 be ready to protect your gloriosa lily if you have a late frost.

USDA Zone Info for Ripon

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 Ripon

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