When to Plant Lupine in Garden City, ID

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when to plant lupine is to use the USDA zone info for Garden City.


Planting Calendar for Lupine

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

Lupine can survive in some cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant lupine in Garden City 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 lupine and expect a good harvest is probably September. You probably don't want to wait any later than that or else your lupine may not have a chance to grow to maturity. Starting your lupine indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Garden City. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Garden City is just an average the actual date of last frost will vary from year to year. Half of the time in Garden City there is a last frost after April 15 so always be ready to protect your lupine if you have a late frost.

USDA Zone Info for Garden City

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 Garden City

You may be interested in your other planting guides for Garden City.