Madrona Lane East is a fully planted hillside just east of the garden’s entryway, which combines drought-tolerant plants with selected trees and shrubs from Asia.
| Botanical Name | Common Name |
| Abies firma | Momi Fir |
| Abies koreana ‘Horstmann’s Silberlocke’ | Horstmann’s Siberlocke Korean Fir |
| Abies sachalinensis | Sakhalin Fir |
| Acer pectinatum ssp. forrestii DJH 297 | Chinese Snake Bark Maple |
| Aquilegia vulgaris ‘Leprechaun Gold’ | Leprechaun Gold European Columbin |
| Arbutus x ‘Marina’ | Marina Strawberry Tree |
| Arctostaphylos x ‘Pacific Mist’ | Pacific Mist Manzanita |
| Berberis buxifolia ‘Nana’ | Dwarf Boxleaf Barberry |
| Calluna vulgaris ‘Zeta’ | Zeta Scots Heather |
| Carpinus coreana DJH 284 | Korean Hornbeam |
| Clematis armandii ‘Apple Blossom’ | Apple Blossom Armand Clematis |
| Cornus x ‘Venus’ | Hybrid Flowering Dogwood |
| Cunninghamia lanceolata | Chinese Fir |
| Cupressus nootkatensis ‘Glauca’ | Blue Alaskan Cedar |
| Erica vagans ‘Fiddlestone’ | Fiddlestone Cornish Heath |
| Erica vagans ‘Kevernensis Alba’ | Kevernensis Alba Cornish Heath |
| Erica vagans ‘Mrs. D.F. Maxwell’ | Mrs. D.F. Maxwell Cornish Heath |
| Erica vagans ‘Pyrenees Pink’ | Pyrenees Pink Cornish Heath |
| Erica vagans ‘Yellow John’ | Yellow John Cornish Heath |
| Erica x darleyensis ‘Katia’ | Katia Dale Darley Heath |
| Erica x darleyensis ‘Lyra’ | Lyra Dale Darley Heath |
| Erica x darleyensis ‘Phoebe’ | Phoebe Dale Darley Heath |
| Eucomis comosa ‘Sparkling Burgundy’ | Sparkling Burgundy Pineapple Lily |
| Hebe x ‘McKean’ | McKean Hybrid Hebe |
| Iberis sempervirens ‘Snow Cone’ | Snow Cone Candytuft |
| Iris setosa | Alaskan Iris |
| Juniperus conferta ‘Emerald Sea’ | Emerald Sea Shore Juniper |
| Lavandula angustifolia | English Lavender |
| Mahonia repens | Creeping Mahonia |
| Nandina domestica ‘Umpqua Warrior’ | Umpqua Warrior Heavenly Bamboo |
| Picea abies ‘Anita’s Golden Cloak’ | Anita’s Golden Cloak Norway Spruce |
| Pinus banksiana ‘Schoodic’ | Schoodic Jack Pine |
| Pyracantha coccinea ‘Fiery Cascade’ | Fiery Cascade Scarlet Firethorn |
| Saliva nemorosa ‘New Dimension Blue’ | New Dimension Blue Woodland Sage |
| Salix integra ‘Hakura Nishiki’ | Dappled Willow |
| Sambucus racemosa | Red Elderberry |
| Sequoia sempervirens | Coast Redwood |
| Sidalcea hendersonii | Henderson’s Checker Mallow |
| Trachelospermum jasminoides ‘Madison’ | White Confederate Jasmine |
| Trifolium repens ‘Dark Dancer’ | Dark Dancer Clover |
| Viburnum nervosum DJHC 635 | Himalayan Viburnum |