Before planting it is a good idea to find your USDA Zone info to determine 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.

The USDA zone info for Romulus can be read to figure out when you can plant gloriosa lily.

Planting Calendar for Gloriosa Lily

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

Gloriosa Lily require warm weather which means that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant gloriosa lily in Romulus 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 fully mature. 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 Romulus. You can expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Romulus is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Romulus you get surprised by a frost after April 15 be ready to protect your gloriosa lily in the event of a late frost.

USDA Zone Info for Romulus

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Romulus

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