Press Room

Welcome to the Idaho Botanical Garden Press Room. Here you’ll find the latest garden news and links to our social media resources. If you are a member of the media and need assistance, please call Warren Maxfield at 208-343-8649








DOWNERS GROVE, IL – October 27, 2015 – In 2012, All-America Selections (AAS) launched a contest for its nearly 200 Display Gardens to encourage new and exciting landscaping ideas using AAS Winners. Five years in, enthusiasm for the contest has continued to grow, helping bring more inspiration and excitement for gardening to the general public.

This contest is a landscape design contest using AAS Winners announced in the last five years with the option to incorporate more than 80 years worth of past AAS Winners. AAS Winners offer gardeners reliable new varieties of flowers and vegetables that have proved their superior garden performance in Trial Grounds across North America. Each display garden is responsible for creating and executing the design and generating publicity surrounding the contest. The gardens must then submit proof of publicity for the designed garden and AAS Winners, as well as an overall description of their design. All-America Selections is pleased that such a broad range of garden types have participated in the contest for 2015: large and small public gardens, seed companies, community gardens, master gardener programs and university gardens. All-America Selections sends kudos to all the participating gardens and their creative efforts to produce an attractive display of AAS Winners.

The rules for the 2015 Landscape Design Contest were the following:

  1. The 2015 contest theme was: “Geometry in the Garden.”
  2. The entry form must list the AAS Winners incorporated into the design.
  3. A minimum of 50% of the total landscaped area must be AAS Winners and labeled with the variety name, AAS Winner designation and if possible, use the AAS logo.
  4. The entry form must include a written description of the design in 200 words or less.
  5. Eight photographs of each garden must be submitted in digital form.
  6. Local publicity is expected and will be part of the criteria for judging.
  7. The contest is open to current year plantings only, not previous year displays.


The criteria and final score weighting were:


  • 20% on the overall attractiveness of garden design
  • 20% on the creative use of AAS Winners
  • 20% on the promotion of AAS and this contest
  • 20% on the photos and descriptions
  • 20% on the total number of AAS Winners used in the garden explanation


There were three categories, based on number of visitors to that garden in one year:


Category I: fewer than 10,000 visitors per year

Category II: 10,001 – 100,000 visitors per year

Category III: Over 100,000 visitors per year

Honorable Mention, “Best First-Time Entry” Garden: Idaho Botanical Garden, Boise, Idaho. Proving that a big budget isn’t required to build raised beds, this garden employed straw bales as its method to contain soil and grow gardens. They did a fabulous job at it, too! If the mission of a botanical garden is to inspire creativity in its visitors, this garden certainly hit the mark.

Read full press release…



What’s Blooming 9/21/2015


For many, the beginning of fall is signaled by the appearance of pumpkin spice lattes. But gardeners might take more notice of the rows of mums appearing outside every box store in the valley. If you like mums, but are tired of purchasing them year after year, consider the Aster. As one IBG gardener likes to call them, “the harbingers of autumn,” are just now coming into bloom. Reliable, hardy perennials, Asters provide a burst of late fall color as well as a last stop for pollinators before winter. Asters come in a variety of colors and sizes, and require very little upkeep. The only challenges with Asters are that many are susceptible to powdery mildew and taller varieties can become unwieldy; however, both of these problems are overcome by selecting the right variety.

AsterA favorite variety of Aster here at the garden is ‘Purple Dome’. Aster novae-angliae ‘Purple Dome’ is an all-purpose Aster whose scientific name means “of New England”. Unlike New York Asters (Aster novae-belgii) New England Asters have thick stems and hairy leaves, and are generally taller. ‘Purple Dome’, however, has been cultivated to maintain a low, bushy habit, making it easier to care for than taller asters that might require staking. Covered in deep lavender flowers, this cultivar generally blooms from late August until frost. As an added, bonus, ‘Purple Dome’ is mildew resistant.

Another low grower is Aster x frikartii ‘Monch’. Compact, but resplendent with light lavender blooms all fall, ‘Monch’ typically grows to only two feet tall, making it a perfect plant for a perennial border, and is also resistant to powdery mildew.

Possibly the best thing about Asters is that, to keep them looking their best, they need to be divided every two to three years; this means, of course, free plants! After your initial purchase, you will have access to a continual supply of these hardy perennials forever!

If you want to learn more about dividing plants, come to our education class, “Divide and Conquer” at IBG on September 29th.

If you’re in search of an Intermountain native option in the world of Aster, Machaeranthera canescens, commonly known as hoary tansyaster or hoary aster might be just what you’re looking for. It is a highly variable species that occurs throughout the western portion of North America as well as in some north central states. It can be found in a wide variety of habitats, and is particularly common in dry and/or disturbed sites, shrub steppes, and meadows. It is native to the Boise Foothills and is one of the few late summer flowering plants in this region. It is considered a short-lived perennial, but it often acts as an annual or biennial. Its latin name “canescens” refers to the small, gray hairs that cover its stems. Its leaves are long and narrow and often have sharply toothed margins. Flower heads appear singularly or in multiples at the ends of branches. A series of small, light green bracts form a cup below each flower head. The flower heads consist of disc florets that are a striking yellow color and ray florets that are pale to dark purple.

Aster2Hoary tansyaster can be found throughout the Lewis and Clark Native Plant Garden, as well as in the Foothills Native Plant Garden, along the Wilderness Trail, and in our restoration areas.

So, if you’re looking to get more bang for your buck year after year, and desire a more naturalistic option than mums, consider choosing an Aster. You’ll love the color it adds to your fall garden, and the pollinators will thank you, too!