When to Plant Gladiolus in Olmsted Falls, OH

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

It's possible to estimate when it's a good idea to plant gladiolus by checking out the USDA zone info for Olmsted Falls.


Planting Calendar for Gladiolus

Frost tolerance for gladiolus: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Gladiolus do ok in moderate cold which means that you can start planting them slightly earlier than other frost tender plants.

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

The earliest that you can plant gladiolus in Olmsted Falls is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant gladiolus and expect a good harvest is probably August. Any later than that and your gladiolus may not have a chance to really do well. Starting your gladiolus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Olmsted 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 Olmsted Falls you get surprised by a frost after April 15 so make sure that you are prepared to cover your gladiolus if you have a surprise late frost.

USDA Zone Info for Olmsted 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 Olmsted Falls

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