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When to Plant Lysimachia in Sweet Home, OR

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when it's a good idea to plant lysimachia by looking at the USDA zone info for Sweet Home.


Planting Calendar for Lysimachia

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

Lysimachia do well in mild cold which means 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 lysimachia
Possibly ok, but a risky time to plant lysimachia
Probably not a good time to plant lysimachia

The earliest that you can plant lysimachia in Sweet Home 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 lysimachia and expect a good harvest is probably September. If you wait any later than that and your lysimachia may not have a chance to grow to maturity. If you are starting your lysimachia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Sweet Home the average date of last frost happens on March 15. You should expect an average low temperature of 15°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Sweet Home and it is different every year. Half of the time in Sweet Home there is a last frost after March 15 so make sure that you are ready to protect your lysimachia in the event of one of those late frosts.

USDA Zone Info for Sweet Home

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 Sweet Home

You may be interested in your other planting guides for Sweet Home.