Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 Jerome can be read to figure out when it's a good idea to plant maltese cross.

Planting Calendar for Maltese Cross

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

Maltese Cross can survive in mild cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant maltese cross in Jerome 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. If you wait any later than that and 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 couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Jerome is just an average the actual date of last frost will vary from year to year. Since half of the time in Jerome you get a frost after April 15 be ready to cover your maltese cross in the event of a surprise late frost.

USDA Zone Info for Jerome

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 Jerome

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