The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 melampodium in Niagara Falls should be determined by using the USDA zone info.

Planting Calendar for Melampodium

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

It's probably a bad idea to plant melampodium until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant melampodium in Niagara Falls 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 melampodium and expect a good harvest is probably August. You probably don't want to wait any later than that or else your melampodium may not have a chance to really do well. You can get started a few weeks earlier by starting your melampodium indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Niagara Falls. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Niagara Falls 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 Niagara Falls last frost occurs after April 15 so just be sure to be ready to protect your melampodium in the event of a late frost.

USDA Zone Info for Niagara Falls

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Niagara Falls

You may be interested in your other planting guides for Niagara Falls.