One of the first steps you take when you are determining 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.

The earliest that you can plant canna in Roselle Park should be estimated by referring to the USDA zone info.

Planting Calendar for Canna

Frost tolerance for canna:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since canna require warm weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant canna in Roselle Park is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant canna and expect a good harvest is probably August. If you wait any later than that and your canna may not have a chance to grow to maturity. If you are starting your canna indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Roselle Park the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Roselle Park may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Roselle Park you get surprised by a frost after April 15 be ready to cover your canna if you have a surprise late frost.

USDA Zone Info for Roselle Park

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Roselle Park

You may be interested in your other planting guides for Roselle Park.