When to Plant Asparagus lettuce in Newton, IA

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.

By looking at the USDA zone info for Newton you should be able to estimate when you can plant asparagus lettuce.


Planting Calendar for Asparagus lettuce

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

Asparagus lettuce require warm weather which means that it is necessary to wait until it warms up after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant asparagus lettuce
Possibly ok, but a risky time to plant asparagus lettuce
Probably not a good time to plant asparagus lettuce

The earliest that you can plant asparagus lettuce in Newton 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 asparagus lettuce and expect a good harvest is probably August. Any later than that and your asparagus lettuce may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your asparagus lettuce indoors.

Last Frost Date

The average date of last frost is April 15 in Newton. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Newton 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 Newton last frost occurs after April 15 so be sure to be ready to protect your asparagus lettuce if you have a surprise late frost.

USDA Zone Info for Newton

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 Newton

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