When to Plant Lantana in Issaquah, WA

Before planting it is a good idea to find your USDA Zone info to figure out 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.

In Issaquah you can figure out when it's possible to plant lantana by looking at the USDA zone info.


Planting Calendar for Lantana

Frost tolerance for lantana: Not tolerant of frost.
When to plant: After the last frost has passed.

Since lantana require warm weather you must wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant lantana in Issaquah 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 lantana and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lantana may not have a chance to grow to maturity. Starting your lantana indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Issaquah 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.

Always keep in mind that USDA zone info for Issaquah is an average and the actual date of last frost will vary from year to year. Since half of the time in Issaquah it frosts late in the year after March 15 be ready to cover your lantana in the event of one of those late frosts.

USDA Zone Info for Issaquah

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 Issaquah

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