One of the first steps you take when you are estimating your gardening schedule is find your 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 way of figuring out when it's the best time to plant gloriosa lily is to examine the USDA zone info for Altoona.

Planting Calendar for Gloriosa Lily

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

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

The earliest that you can plant gloriosa lily in Altoona 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. You probably don't want to wait any later than that or else 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

On average all chance of frost has passed is on April 15 in Altoona. In the coldest months of winter you should expect an average low temperature of -20°F.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Altoona and it is different every year. Half of the time in Altoona you get surprised by a frost after April 15 so make sure that you are prepared to protect your gloriosa lily if you have a late frost.

USDA Zone Info for Altoona

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 Altoona

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