When to Plant Trailing Portulaca in Lebanon, OR

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Lebanon can be reffered to in order to determine when you can plant trailing portulaca.


Planting Calendar for Trailing Portulaca

Frost tolerance for trailing portulaca: Not tolerant of frost.
When to plant: After the last frost.

Since trailing portulaca do not do well in cold weather it is important to wait until after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant trailing portulaca in Lebanon is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant trailing portulaca and expect a good harvest is probably August. Any later than that and your trailing portulaca may not have a chance to grow to maturity. Starting your trailing portulaca indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Lebanon. It might get as low as 15°F during the coldest months of winter.

Remember that USDA zone info for Lebanon is an average and the actual date of last frost is different every year. Half of the time in Lebanon there is a last frost after March 15 so make sure that you are ready to protect your trailing portulaca if you have a surprise late frost.

USDA Zone Info for Lebanon

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 Lebanon

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