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.

It's possible to figure out when to plant maltese cross by referring to the USDA zone info for Winnetka.

Planting Calendar for Maltese Cross

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

You can plant maltese cross a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant maltese cross in Winnetka 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. Starting your maltese cross indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Winnetka may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Winnetka you get a frost after April 15 so be sure to be ready to protect your maltese cross in the event of a surprise late frost.

USDA Zone Info for Winnetka

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Winnetka

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