Past Events, Past Meetings, Plant and Bulb Sales Comments turned off

2019-2020 HPSW Scheduled Meetings and Events

By on July 1st, 2019

April 28th- Spring Plant Sale 10am-2pm at CUH

May 20th – Robyn Wyll, Tips for Tomato Growing Success

June 17th – Heidi and Jeff from Dreamscape Water Gardens

July & Aug    Summer Picnic- Date and Location TBA

September 16th – Caroline Zebroski, The Glory of Fuchsias in the Fall Garden

October 20th – Fall Bulb Sale at CUH

November 19th  – Dina Russell, ‘Rhizosphere’ where plants and humans meet

December               Holiday Party, Date & Location TBAA

January 21 2020 (note this is a Tuesday) Sarah Verlinde The Good, Bad and the  Yummy for Birds


Our regular meetings are from 7-9 on the third Monday of each month at the UW Botanic Gardens, Center for Urban Horticulture, 3501 NE 41st Seattle 98105

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HPSW Meeting – Monday June 17 – 7 to 9pm Water and Pond Landscape Design

By on June 7th, 2019


Join us this month as Heidi Kaster of Dragonfly Farm Gardens and Jeff Borsema of Dreamscapes Water Gardens & Construction show us how to develop Water Walls, Stairs and Ponds for the backyard garden. Heidi and Jeff will also review plants that work well in and around water features.

Meeting at Center for Urban Horticulture;  NHS Hall, Section A. Doors open at 6:30 for seed sales . Also food & socializing .

Heidi Kaster will have some dwarf conifers in gallon pots available for purchase .

3501 NE 41st St. Seattle, WA 98105  MAP

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HPSW Meeting – Monday May 20th – 7 to 9pm

By on May 6th, 2019

Growing Tomatoes with Robin Wyll

Robin Wyll will share her tips for Tomato Growing Success in NW gardens.  She’ll  share strategies she has developed over 20 years in her Woodinville  garden for growing tomatoes organically  in her garden touching on ways to shelter, variety selection, soil health, timing, mulching, and pest & disease control.  

Robin will have tomato plants for sale.

Meeting at Center for Urban Horticulture;  NHS Hall, Section A, Doors open at 6:30 for Seed Sales and food & socializing .

3501 NE 41st St. Seattle, WA 98105  MAP

Past Events, Plant and Bulb Sales Comments turned off

HPSW 9th Annual Spring Plant Sale – April 28th from 10am-2pm

By on March 28th, 2019

Hardy Plant Society of Washington 9th Annual Spring Plant & Seed Sale 

 Sunday April 28 2019 – 10am to 2pm.  

Lots of parking available. Come early for best selection!  We will have hundreds of seed packets for $1.00 each.

The Center for Urban Horticulture – NHS Hall  –
 3501 NE 41st St. Seattle, WA   MAP

Come find unusual perennials and hardy favorites as well as fresh seed packets collected from our members gardens at one of the largest plant sales with best prices in the area.

Download HPSW 2019 plant list

2019 Plant List:

GenusSpeciesvarietydescription
Acanthusspinosus
Aconitumlycoctonum subsp. vulpariayellow
Aesculuscalifornica
Ajugareptanswhite flowers
Ajugareptans'mahagony'
Ajugareptans'Tricolor'
AlchemillamollisLady's Mantle
Alliumsenescensdwarf form
Anemonejaponica'Alba'white flowers
Anemonenemorosablue
Armeriamaritima
Arisarumproboscideummouse plant
ArtemesialudovicianaValerie Finnis
Asarumcaudatum
Asterdivaricatus
Asterdumosus'Woods Pink'
Brunneramacrophylla'Jack Frost'silver leaf
Campanula'Pink Octopus'
Cardamineenneaphylla
Chelonepink
Chasmanthiumlatifolium
Chrysanthemumjaponicum
Chrysanthemum'Bronze Elegance'
ChrysanthemumBurgundy
Chrysanthemum'Kandy's Gold'
Chrysopleniummacrophyllum
Convallariamajalispink flowers
Convallariamajaliswhite flowers
Corydalisecholeri
Darmerapeltatapink flowers
Dianella'marsh's giant'
Dicentraformosanativelarge form
Dicentraformosanativelarge form
DicentraspectabilisAlba
Disporopsisarisanensisevergreen
Disporopsispernyi
Disporopsispernyi
Disporumflavum
Disporumflavum
Disporumlongistylum
Echinopsritro
Ellisiophyllumpinnatumwhite flowers
Epimediumx versicolor'Sulphureum'
EpimediumBlack Sea
EpimediumLittle shrimp
Epimedium'Amber Queen'
Erigeronglaucuspink
Eryngiumsp
Eupatoriumpurpureumsubsp maculatum
Euphorbiacyparissus'Fen's Ruby'
Fragariacultivar of strawberry
Geraniummacrorhizumpink
Geraniummagnificumblue flowers
Geranium× oxonianum''Katherine Adele'
Geraniumdvided leaf from Beda
Hakonechloamacra'Aureola'
Helianthus'Lemon Queen'
Helleborusorientalis
HemerocallisKwanso'Flore Pleno'
Hemerocallislilioasphodelus
HemerocallisJulie's Orange
Heucheracvpurple leaves
Hieraciumaurantiacum
HostaSaskia's Heavy Bloomer
Hostaplantaginea
Hostavenusta
Hostavenusta
Hosta'Invincible'green leaf
Hostavarigated
ImpatiensomeianaSilver Pinkhas Silver Leaf, not pink flowers
Irisdwarf beardedmix?? Flowers
IrisgermanicaHomestead cv.
Irislazica
IrisPacific Coastpurple/white
Irissiberica'Silver Edge'
IrisunguicularisBlue, fragrant, winter blooming
IrisGerald Darby
Liatris
Liliumhenryii
LiliumGrand Bruno
LiliumMr Cas
Liliumwhite spotted lavendar
Liliumcvcranberry
Liliumcvcranberry
Lobeliasiphilitica
Lysimachiaclethroides
LysimachiapunctataAlexander
Mitellabreweri
Monarda'Coral Reef'
Mukdeniarossii
Mukdeniarossii
Myrrhisodoratasweet cecily
Ophiopogonjaponicus'Nanus'green
Ophiopogonjaponicus'Nana'green mondo grass
Ophiopogongreen form
Ophiopogonplaniscapus'Nigrescens'Black Mondo Grass
Ophiopogonplaniscapus'Nigrescens'Black Mondo Grass
Ophiopogonplaniscapus'Nigrescens'Black Mondo Grass
Oxalisoreganalarge flowered pink
Oxalisoregana
Pachyphragmamacrophyllumwhite flowers
Paeoniaobovataalba
Peonyherbaceousunknown color
Persicariabistortapale pink
Persicariamicrocephala'Red Dragon'
Phloxpaniculata‘Norah Leigh’variegated foliage
PodophyllumpeltatumMay Apple
PolygonatumcommutatumSoloman's seal
Polygonatumcommutatum
Primula'Dorothy'yellow flowers
Primuladouble lavendar
Pulmonariaangustifolia
Rodgersia
Saxifragahirsuta
SchizostyluscoccineaRed
Smilacinastellatasem'
Sorbariasorbifoliasem'
StachysOfficinalis
Symphytumgrandiflorum
Trachystemomorientalis
Tricyrtistoad lily
Vanouveriahexandra
Violasoparia'Albiflora"
Violarotundifoliayellow

Past Meetings Comments turned off

HPSW Meeting -Monday March 18 – 7 to 9pm -Rainwise

By on March 7th, 2019



Lauren Taylor from the Rainwise outreach team, Sustainable Ballard, as well as members from the Rain Garden Program, WSU Extension will be giving a workshop  so we can learn about how King County and City of Seattle created Rainwise, its benefits to having a system installed,
and how that would benefit  our gardens with lower water costs.  They’ll also give guidelines for eligibility for installation and rebates, whether installing a rain garden and or cisterns.  

http://www.seattle.gov/util/EnvironmentConservation/Projects/GreenStormwaterInfrastructure/RainWise/

Meeting at Center for Urban Horticulture;  NHS Hall Section A,

Doors open at 6:30 for Seed Sales and food & socializing .

3501 NE 41st St. Seattle, WA 98105  MAP