One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Butner should be read to estimate when it's the best time to plant gladiolus.

Planting Calendar for Gladiolus

Frost tolerance for gladiolus:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since gladiolus do ok in moderate cold you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant gladiolus in Butner is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant gladiolus and expect a good harvest is probably August. Any later than that and your gladiolus may not have a chance to grow to maturity. You can get started a little bit earlier by starting your gladiolus indoors.

Last Frost Date

The average date of last frost is April 15 in Butner. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Butner may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Butner it frosts late in the year after April 15 so just be sure to be ready to protect your gladiolus if you have a late frost.

USDA Zone Info for Butner

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Butner

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