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Northwest  Perennial  Alliance

Sharing a Passion for Gardening... for 40 years!
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CALENDAR -  Events, Lectures, Classes, Workshops, & Open Gardens

Upcoming events

    • November 28, 2023
    • December 31, 2024

    2024 Open Gardens Registration


    Sign up to open your garden for NPA in 2024! Registering to open your garden is a 2-step process:

    Step 1 - Click the REGISTER button on this page and submit your name, email address, and phone number (use the email address associated with your membership).

    Step 2 - You will immediately receive an email from NPA that includes a link to a Registration Form where you fill out information about your garden and list your open dates – this form can be saved and updated as often as needed.

    Registration is open year-round - but note the following deadlines:

    February 25th is the registration deadline to be listed in the printed/mailed version of the Open Gardens book. The book lists gardens open from May 1st through September 30th.

    Please register a minimum of 3 weeks before your open date to allow NPA time to process your registration, mail your host packet, and advertise your event.

    Click HERE for more details about registering to open your garden and to see what days NPA suggests for May-August tours in your area. Or contact us if you have questions or need help completing your registration -

    • June 18, 2024
    • 6:00 PM - 7:00 PM
    • Online Webinar
    • 342

     Tuesday, June 18th at 6 pm

    Shade Gardening with New Perennials

    Zoom Presentation by Dan Heims

    NPA Members - FREE Bonus Lecture!

    Non-members - $20 

    Discover how to master different types of shade and learn how to conquer the problems of root and light competition. Drool over gorgeous plant combinations that feature an overview of new perennials and old favorites. Dry shade? You’d be surprised what thrives there! Also find out how to create spectacular shade containers.

    About Dan Heims:  Since 1973, Dan has been deeply involved in all facets of horticulture. He has taught horticulture courses, wholesaled exotic plants, and run his own design and install landscape business. He’s currently the president of TERRA NOVA® Nurseries, Inc., an OREGON company noted for breeding programs that have produced numerous international gold and silver-medal winners, and an impressive 800+ plant introductions.

    This is an ONLINE presentation only. You must register to receive a Zoom link to watch this event LIVE, where questions can be asked of the presenter. A RECORDING of the live event will be shared with all registrants and NPA Members. The recording will be available until July 2, 2024.

    The non-member fee for this lecture is non-refundable. If cancelled by NPA, you will receive a full refund.

    • July 22, 2024
    • 10:30 AM - 12:00 PM
    • Bellevue Botanical Garden, Aaron Center
    • 10

    Monday, July 22, 2024

    Fern Table Workshop


    Bellevue Botanical Garden, Aaron Center

    Presented by Alison Johnson

    Join Alison Johnson at Bellevue Botanical Garden in the Aaron Classroom,  to make a Fern Table. First we will watch a slide presentation to inspire and instruct you. Then, on a 18 x 18 floor tile  you will select ferns, grasses, one or two ground cover plants, and  succulents, small conifers or Hosta (depending on availability when I go  plant shopping!) to make your own Fern Table.

    You will mix your own specific soil mix suitable for ferns and assemble fern tables using natural pieces of wood, logs, branches, and moss.

    We  will supply all the materials, but if you have a great piece of interesting wood, or something  that could be incorporated into your table, bring it along. Maybe you have some to share with the class?

    Please bring garden gloves, wear suitable clothing for gardening and be aware that the completed fern table can be heavy.

    NPA Members - $45.00

    Non-Members - $55.00

    Class is limited to 10 participants. The fee for this class is non-refundable. If cancelled by NPA, you will receive a full refund.

    • September 07, 2024
    • 10:00 AM - 1:00 PM
    • Bellevue Botanical Garden

    Saturday, September 7

    Fall Plant Sale at Bellevue Botanical Gardens

    10 am to 1 pm

    Fall is the perfect time to plant! Buy plants from a select group of local small nurseries and specialty growers who sell amazing perennials, shrubs, ferns, grasses and more.

    This is a Farmer's Market style plant sale where you purchase plants directly from each seller - bring your own small wagon/cart. 

    The PARKING lot is often full - but additional parking is not far away - down Main Street.

    Visit the NPA Border after shopping!

Contact NPA:   425-647-6004

Mailing Address:   PO Box 1034  Bellevue, WA  98009-1034

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