When to Plant Maltese Cross in Windsor Heights, IA

One of the first steps you take when you are getting a good idea 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 determining when it's a good idea to plant maltese cross is to refer to the USDA zone info for Windsor Heights.


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 are one of those plants that can tolerate a little bit of cold weather which tells us that you can get them planted earlier than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant maltese cross
Possibly ok, but a risky time to plant maltese cross
Probably not a good time to plant maltese cross

The earliest that you can plant maltese cross in Windsor Heights 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 really do well. 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

On average the last frost has passed is on April 15 in Windsor Heights. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Windsor Heights is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Windsor Heights you get a frost after April 15 be ready to cover your maltese cross in the event of one of those late frosts.

USDA Zone Info for Windsor Heights

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 Low5°F
Highest Expected Low10°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 Windsor Heights

You may be interested in your other planting guides for Windsor Heights.