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When to Plant Larkspur in University Place, WA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant larkspur in University Place should be estimated by checking out the USDA zone info.


Planting Calendar for Larkspur

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

Since larkspur are one of those plants that can tolerate quite a bit of cold weather you can plant them a lot earlier in the year than other frost tender plants.

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

The earliest that you can plant larkspur in University Place 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 larkspur and expect a good harvest is probably September. You probably don't want to wait any later than that or else your larkspur may not have a chance to fully mature. If you are starting your larkspur indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In University Place the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 15°F.

Always keep in mind that USDA zone info for University Place is not always accurate and the actual date of last frost changes from year to year. Since half of the time in University Place you get surprised by a frost after March 15 be ready to protect your larkspur in the event of a surprise late frost.

USDA Zone Info for University Place

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 University Place

You may be interested in your other planting guides for University Place.