When to Plant Hosta in Gladstone, OR

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

A common way of estimating when you can plant hosta is to look at the USDA zone info for Gladstone.


Planting Calendar for Hosta

Frost tolerance for hosta: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Hosta do ok in a little bit of cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

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

The earliest that you can plant hosta in Gladstone 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 hosta and expect a good harvest is probably September. Any later than that and your hosta may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your hosta indoors.

Last Frost Date

The average date of last frost is March 15 in Gladstone. You should expect an average low temperature of 15°F in the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Gladstone and it changes from year to year. Since half of the time in Gladstone there is a last frost after March 15 be ready to protect your hosta if you have a late frost.

USDA Zone Info for Gladstone

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°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 20°F.

Plants to Grow in Gladstone

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