When to Plant Twinspur in Grandview, WA

The USDA Zone info is a great tool for gardeners to help us estimate 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 using the USDA zone info for Grandview you will be able to determine when you can plant twinspur.


Planting Calendar for Twinspur

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

Since twinspur are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than more sensitive plants.

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

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

Last Frost Date

On average all chance of frost has passed is on April 15 in Grandview. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that USDA zone info for Grandview is an average and the actual date of last frost will vary from year to year. Half of the time in Grandview it frosts late in the year after April 15 so just be sure to be ready to protect your twinspur in the event of a surprise late frost.

USDA Zone Info for Grandview

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Grandview

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