One of the first steps you take when you are making a decision about 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.

You can figure out when it's a good idea to plant canna in Newport by referring to the USDA zone info.

Planting Calendar for Canna

Frost tolerance for canna:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You can not plant canna until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant canna in Newport 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. You probably don't want to wait any later than that or else your canna may not have a chance to really do well. 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

The average date of last frost is April 15 in Newport. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Newport may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Newport you get a frost after April 15 so make sure that you are ready to cover your canna in the event of a surprise late frost.

USDA Zone Info for Newport

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 Newport

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