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

It's possible to estimate when it's the best time to plant tropical hibiscus by referring to the USDA zone info for Eugene.

Planting Calendar for Tropical Hibiscus

Frost tolerance for tropical hibiscus:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since tropical hibiscus are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant tropical hibiscus in Eugene 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 tropical hibiscus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your tropical hibiscus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your tropical hibiscus indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Eugene. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Eugene may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Eugene it frosts late in the year after March 15 so make sure that you are prepared to protect your tropical hibiscus in the event of a late frost.

USDA Zone Info for Eugene

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 Low	15°F
Highest Expected Low	20°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 Eugene

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