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When to Plant Swan River Daisy in Marshalltown, IA

The USDA Zone info is a great tool for gardeners to help us figure out 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 USDA zone info for Marshalltown should be used to estimate when it's a good idea to plant swan river daisy.


Planting Calendar for Swan River Daisy

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

Swan River Daisy do not do well in cold weather which means that you have 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 swan river daisy
Possibly ok, but a risky time to plant swan river daisy
Probably not a good time to plant swan river daisy

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

Last Frost Date

On average the last frost is on April 15 in Marshalltown. You should expect an average low temperature of -20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Marshalltown may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Marshalltown you get a frost after April 15 so make sure that you are ready to protect your swan river daisy in the event of a late frost.

USDA Zone Info for Marshalltown

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Marshalltown

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