Highline SeaTac Botanical Garden

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SeaTac, WA
Highline SeaTac Botanical Garden

Connecting the community to nature through a diverse and beautiful collection of historical gardens.

HSBG was created in 2000 using historically significant private gardens saved from demolition by the expansion of the SeaTac Int'l Airport's construction of their 3rd runway. Between these two full-featured collections lie an eye-catching series of beds sponsored by local garden enthusiasts, including the Puget Sound Daylily Club, the King County Iris Society, and the Seattle Rose Society.

06/09/2026

This excellent mix features a few farther flung gardens as well.

06/05/2026

Have you visited the garden lately? The Lins Peony collection is approaching full bloom. The Lins Peony Garden encompasses thirty plants propagated and hybridized by Eugene Lin, in the 1920s. This hobby grew and soon Mr. Lins began hybridizing and propagating a wide variety of peonies. He named several of them after his wife and daughters: Mary, Mandeleen, Marcella, Ramona, Rosemarie, and Dolores. His son, Gene, spent 35 years tracking down, propagating and preserving his father’s peonies.

Thanks to a grant, the collection was established at the Highline SeaTac Botanical Garden in 2023.

Read more about the Lins Peonies here: https://yesitalktoplants.blogspot.com/p/lins-peonies-garden.html

06/02/2026

Thanks to everyone who came out for the Highline Botanical Foundation Plant Sale this weekend–it was a big success! We had a gorgeous day with over 450 visitors to the Garden, a wide variety of plants, music performances, and great conversations with new and old friends. Join us next year at the end of May.

Iris Garden photo credit:

05/29/2026

Our annual plant sale is tomorrow, Saturday, May 30, 11am-2pm at Highline SeaTac Botanical Garden. Stop by before or after visiting Shark Garden during the Burien Garden Tour to peruse our selection of plants from our Partner Gardens, King County Iris Society, Puget Sound Daylily Society, and Puget Sound Fuchsia Society, as well as Wanderlust Nursery, and plants donated by Park Side Garden Club.

Enjoy live music in the Celebration Rose Garden performed by Northwest Symphony Orchestra Brass Quintet, buy kelp made pots from Ocean Made, and discuss all your plant questions with a trained horticulturalist. We hope to see you there!

Please note: Some vendors may only accept cash or checks.

📆 Date: Saturday, May 30, 2026
⏰ Time: Early Bird Members Only 9am–10am; General Public 11am–2pm
📍Location: Highline SeaTac Botanical Garden | 13735 24th Avenue S., SeaTac 98168
✨Cost: Free to attend

05/25/2026

Highline SeaTac Botanical Garden is bursting with blooms this week! May is always so full of life here and a visit is well worth the trip. You'll see a rich variety of roses, peonies, iris, rhododendron, and azaleas blooming this month. And be sure to stop by on May 30 between 11am and 2pm for our annual plant sale where you can purchase plants that our volunteers cultivated directly from the Garden.

Learn more on our website: https://highlinegarden.org/event/annual-plant-sale/

05/14/2026

Our annual plant sale is just two weeks away. Join us on Saturday, May 30 at Highline SeaTac Botanical Garden where members of our Partner Gardens, King County Iris Society, Puget Sound Daylily Club, Puget Sound Fuchsia Society, and Wanderlust Nursery will have plants for sale. Enjoy live music in the Celebration Rose Garden performed by Northwest Symphony Orchestra Brass Quintet and discuss all your plant questions with a trained horticulturalist. We hope to see you there!

Please note: Some vendors may only accept cash or checks.

📆 Date: Saturday, May 30, 2026
⏰ Time: Early Bird Members Only 9am–10am; General Public 11am–2pm
📍Location: Highline SeaTac Botanical Garden | 13735 24th Avenue S., SeaTac 98168
✨Cost: Free to attend

05/08/2026

Mother's Day is just around the corner and now is the perfect time to walk through the Garden with Mom. Rhododendrons are at their peak, iris and roses are beginning to bloom, and the lilacs are bursting with scent. The Japanese maples throughout the Seike Garden are shrouded in delicately textured leaves and the sound of water and birdsong fills the air.

Pictured, in order:
Rhododendron luteum
Rhododendron ferrugineum
Crataegus monogyna (common hawthorn)
Seike Japanese Garden
Laburnum x Watereri
Cassia Fistula Tree (golden shower tree)
Hybird Iris King County Iris Society

Address

13735 24th Avenue S
Seatac, WA
98168

Telephone

(206) 391-4003

Website

http://www.highlinegarden.org/

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