When to Plant Aubretia in Hiawatha, IA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Hiawatha it's possible to determine when it's possible to plant aubretia.


Planting Calendar for Aubretia

Frost tolerance for aubretia: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Since aubretia are very cold tolerant you can plant them a lot earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant aubretia in Hiawatha is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant aubretia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your aubretia may not have a chance to really do well. Starting your aubretia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Hiawatha the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Hiawatha is an average the actual date of last frost changes from year to year. Half of the time in Hiawatha last frost occurs after April 15 so just be sure to be ready to cover your aubretia if you have one of those late frosts.

USDA Zone Info for Hiawatha

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 Hiawatha

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