One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Ironton you can determine when to plant maltese cross by checking out the USDA zone info.

Planting Calendar for Maltese Cross

Frost tolerance for maltese cross:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since maltese cross are moderately cold tolerant you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant maltese cross in Ironton is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant maltese cross and expect a good harvest is probably September. You probably don't want to wait any later than that or else your maltese cross may not have a chance to grow to maturity. If you are starting your maltese cross indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Ironton. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Ironton is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Ironton you get a frost after April 15 be ready to protect your maltese cross in the event of a late frost.

USDA Zone Info for Ironton

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Ironton

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