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CALENDAR -  Events, Lectures, Classes, Workshops, & Open Gardens

Upcoming events

    • April 22, 2020
    • May 06, 2020
    • 11:59 PM
    • Online Donations

    April 22 - May 6, 2020

    NPA encourages our members to GiveBIG this year!

    What is GiveBIG? It's an online giving campaign that promotes philanthropy to hundreds of non-profit groups across Washington State - including the Northwest Perennial Alliance.

    Every donation NPA receives helps us achieve our mission to promote horticultural education for our members and our community; through lectures, horticultural internships, the NPA Border at Bellevue Botanical Garden, and more.

    How can you support NPA's mission through GiveBIG?

    • April 22nd to May 6th - DONATE on NPA's GiveBIG page at
    • Follow us on Facebook and share with your friends and family why you support our organization
    • Spread the word! Share our GiveBIG profile page with your family and friends - and ask them to donate to NPA!
    • May 03, 2020
    • 9:30 AM - 2:00 PM

    Sunday, May 3, 2020 - CANCELLED

    Spring Plant Sale


    Celebrate the growing season by attending NPA’s annual Spring Plant Sale. This popular event is a highlight of spring, plus it’s an important fundraiser for NPA, benefiting all of our Horticultural Education Programs - scholarships, classes, lectures, workshops, and our gorgeous NPA Border.

    A select group of local small nurseries and specialty growers will sell an amazing collection of perennials, shrubs, ferns, grasses and more. Many of these vendors are not open to the public, and all offer unique plants to delight any plant geek! This is your chance to shop from the best, all in one location, and bring home many new treasures to enhance your garden.

    Arrive early for best selections. Better yet, volunteer to help at this event and and get the inside scoop on your favorite vendors and plants!

    • May 05, 2020
    • May 07, 2020

    May 5-7, 2020 - CANCELLED

    We plan to offer a similar tour next year!

    NPA invites you to join us on a tour of 10 Willamette Valley Specialty Nurseries on Tuesday, May 5th thru Thursday, May 7th, 2020. Three full days of fun, learning, plant shopping and exploring horticultural treasures with fellow members of NPA!

    This tour is sponsored by NPA. It is organized and conducted by Gardens Dot Tours of Portland, Oregon.

    The tour includes the following Specialty Nurseries, most also have gorgeous display gardens full of ideas:

    • Out in the Garden Nursery
    • Secret Garden Growers
    • Hydrangeas Plus
    • Miller’s Manor Nursery
    • Gossler Farms Nursery
    • Dancing Oaks Nursery & Gardens
    • Conifer Kingdom
    • Sebright Gardens
    • N&M Herb Nursery
    • Little Prince of Oregon

    Main Details:

    • 3 full days of world-class display gardens, specialty nursery shopping, and more!
    • 2 nights lodging at Oregon Garden Resort & Spa, included
    • 2 buffet breakfasts, 3 lunches, and healthy snacks, included
    • Chartered bus & driver, w/ gratuities, included
    • Tour pick up & drop off in Tacoma, 3-day parking available
    • Tour Escort, Organizer, and Guide – Lois Moss, NPA member and owner of Gardens Dot Tours
    • Must be an active NPA member to reserve a space
    • Tour Size – Limited to 38
    • $489 per person in a shared room – additional $157 single supplement for solo room (checks only price; to use credit/debit cards add extra 3% convenience charge)
    • $50 deposit due February 20, balance due April 1 (see full details for refund restrictions)

    CANCELLED - a similar tour will be offered in 2021

    Registration is through Gardens Dot Tours.

    Click Here to see Full Tour Details and a Reservation Link

    • June 03, 2020
    • 10:00 AM - 12:00 PM
    • Bellevue Botanical Garden
    • 23

    Wednesday, June 3, 2020

    Daniel Mount lives on a small farm in the Snoqualmie Valley and enjoys growing organic veg and fruit and experimenting with flood tolerant plants. He has 30 years of career gardening in PNW and writes for and sits on the editorial board of  the Washington Park Arboretum Bulletin, Pacific Horticulture Magazine. 

    He has a BS-Botany from University of Wisconsin and has traveled the world as a gardener and writer and curator picking up awards and accolades for his garden writing.

    Daniel will introduce us to his love and appreciation of all the irises, with a presentation in the classroom.  Then using the displays of  irises in the Bellevue Botanical Garden he will  educate and entertain us as we walk and talk in the borders.

    Hopefully the weather in June will be good to us but dress accordingly so you don't miss out on the  tour  of the Irises at the Bellevue Botanical Garden.

    NPA members $25/non members $35

    • July 31, 2020
    • 11:00 AM - 12:00 PM
    • Aaron Education Center, Bellevue Botanical Garden
    • 35

    Friday, July 31, 2020 - NEW DATE

    Don't miss this very exciting opportunity!

    Debra Prinzing is a regular radio and television guest and has written many books on seasonal, local and sustainable flowers. We are so lucky that she lives in Washington state and has found time to present her PowerPoint, "America Beauty-Bringing the Slow Flowers Movement to your Garden".  She has also generously agreed to donate copies of her books The 50 mile Bouquet and Slow Flowers as door prizes.  Debra will also have books for sale. 

    NPA members $25 / non-members $35

    Following this presentation, Debra is offering a Floral Design Workshop, which is an opportunity to design, and bring home, a lush centerpiece using NW annuals and perennials; there is a separate registration and a separate charge for this inspiring class and we must limit the class to 25 participants.

    • July 31, 2020
    • 1:00 PM - 3:00 PM
    • Aaron Education Center, Bellevue Botanical Garden
    • 10

    Friday, July 31, 2020 - NEW DATE

    Hands-on workshop with a floral design expert!

    Debra Prinzing is  a regular radio and television guest and has written many books on seasonal, local and sustainable flowers. This is a wonderful opportunity to take a hands-on eco-floral design workshop from Debra herself!

    Each attendee will design, and take home, their own lush centerpiece containing a wide array of Northwest-grown annuals, perennials, dahlias, roses and other popular cut flowers, paired with an American-made glass vase. All flowers and vase are included in the cost of the class.

    Debra will discuss how to design with seasonal flowers (including those from your own garden) using environmentally-friendly techniques, as well as how to care for your arrangement and extend its vase life. You will leave inspired to continue cutting and arranging flowers as a gardeners regular practice!

    To keep this a very special opportunity, we have to limit this class size to 25 participants.

    NPA members $85/non members $100 - Includes Flowers and Vase

Contact NPA:   425-647-6004

Mailing Address:

PO Box 1034  Bellevue, WA  98009-1034

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