The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Willow Springs you can determine when it's a good idea to plant melampodium by reviewing the USDA zone info.

Planting Calendar for Melampodium

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

It's not a good idea to plant melampodium until after all chance of frost has passed because they require warm weather.

The earliest that you can plant melampodium in Willow Springs 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. If you wait any later than that and your melampodium may not have a chance to really do well. Starting your melampodium indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Willow Springs. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Willow Springs is an average the actual date of last frost is different every year. Since half of the time in Willow Springs you get surprised by a frost after April 15 be ready to protect your melampodium if you have one of those late frosts.

USDA Zone Info for Willow Springs

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 Willow Springs

You may be interested in your other planting guides for Willow Springs.