When can I plant Lupine in Zone 8a

One of the best tools that we have as gardeners to help us figure out our gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

One way of making a decision about when it's the best time to plant lupine is to consult the USDA zone info for Zone 8a.


Planting Calendar for Lupine

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

Lupine tend to make it in mild cold which tells us that you can plant them a little 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 Zone 8a 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. If you are starting your lupine indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Zone 8a. In the coldest months of winter we can expect an average low temperature of 10°F.

Since the USDA zone info for Zone 8a may not be accurate from year to year our actual date of last frost is different every year. Since half of the time in Zone 8a last frost occurs after March 15 be ready to protect your lupine in the event of a late frost.

USDA Zone Info for Zone 8a

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low10°F
Highest Expected Low15°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 15°F.

Plants to Grow in Zone 8a

You may be interested in our other planting guides for Zone 8a.