University of Idaho - I Banner
students walk on University of Idaho campus

Visit U of I

Learn about the many reasons the University of Idaho could be a perfect fit for you. Schedule Your Visit

campus full of students

U of I Retirees Association

UIRA has a membership of nearly 500 from every part of the University. Learn about UIRA

Contact Us

Physical Address:
1200 West Palouse River Drive

Hours:
Open everyday, dawn to dusk, free admission

Contact:
arboretum@uidaho.edu

Mailing Address:
875 Perimeter Drive MS 2281
Moscow, Idaho 83844-2281

Directions

Bulletin Board

Plant of the Month

Wisteria
Wisteria sinensis ‘Prolific’

On the middle section of the Asian Pergola, Grid S-6

Wisteria is in a group of plants that seem to be marginal here in Moscow, and yet surprisingly do well in places with harsher climates. I believe the reason is a combination of our cold winters; but perhaps more importantly, our cool summer temperatures and lack of summer humidity. Although many locals might consider our summers to be quite warm, we definitely have cooler nighttime temperatures than much of the rest of the country. That makes for a pleasant climate for people; but, many plants would prefer warmer nights.

The Wisteria on the pergola is actually one of the first plants that I planted in the Arboretum when I started in 2000. It struggled for several years; and, it was moved to the current location in 2008.

The vine has done fairly well in the current spot; but, this is really the first year it has ever had a significant number of flowers. Wisteria will eventually grow into a very substantial, woody vine. They require a strong trellis or support to grow up and support their weight. I think they would do best here in Moscow if they were planted somewhere with some reflected heat, like a south or west wall.

‘Prolific’ Chinese Wisteria
‘Prolific’ Chinese Wisteria
‘Prolific’ Chinese Wisteria
‘Prolific’ Chinese Wisteria

Monthly Projects

I think May is pretty much the busiest month in anyone’s gardening calendar, and that is certainly true for the Arboretum. Along with trying to keep up with all the routine, mowing, weeding and watering, we also deal with our annual plant sale, planting all of our 500+ annual flowers and most of the new additions to the permanent plantings.

The plant sale continues to be an amazing success with people lined up outside the door to be the first customers. We sold over $11,000 worth of plants, most of which sold in the first hour and a half! Your support is greatly appreciated!

Annual Arboretum Associates Plant Sale
Waiting for the on rush of customers at the annual Arboretum Associates Plant Sale

Upcoming Events

Science Saturdays in the Arboretum
Amphibians & Reptiles: Diversity in the City

Explore the Arboretum with Travis Seaborn and Meghan Parsley to learn about which amphibians and reptiles call the Arboretum their home!
Saturday, June 8 starting 9:45 a.m. at the Red Barn

Arboretum Associates Annual Concert
Monday, July 8 at 7 p.m.
Top of upper pond

Crabapples and Hosta
Rock Garden Iris are flowering on schedule in the Arboretum 3-28-19

Contact Us

Physical Address:
1200 West Palouse River Drive

Hours:
Open everyday, dawn to dusk, free admission

Contact:
arboretum@uidaho.edu

Mailing Address:
875 Perimeter Drive MS 2281
Moscow, Idaho 83844-2281

Directions