Plant Growing Guides

Willows and Poplars

Salix spp. and Populus spp.

Riviera Lilac Splash

Calibrachoa × hybrida 'Riviera Lilac Splash'

Robert (Herb Robert)

Geranium robertianum

Roc d'Or

Lactuca sativa var. crispa 'Roc d'Or'

Rock Brake

Cryptogramma crispa

Alpine Rockcress

Arabis alpina subsp. alpina

Rock Cress Variegata

Arabis caucasica 'Variegata'

Rock-dwelling plants

Various species (Saxifraga, Sempervivum, Sedum, Armeria, etc.)

Rocket

Eruca vesicaria

Rocket Mix

Eruca vesicaria subsp. sativa and Diplotaxis species

Rocket Purple

Eruca vesicaria subsp. sativa

Rocket Red

Arugula (Eruca vesicana)

Rocket (Arugula)

Eruca vesicana

Rocket Sylvetta

Diplotaxis tenuifolia

Rocket White

Eruca vesicaria subsp. sativa

Rocket White Roquette

Eruca vesicana subsp. sativa

Rocket Yellow

Eruca vesicaria subsp. sativa

Rock Garden Alpines

Various alpine species (e.g., Sempervivum spp., Saxifraga spp., Dianthus alpinus)

Rock Garden Alpines (Acidic Soil Varieties)

Various alpine species (e.g., Rhododendron, Vaccinium, Calluna)

Rock Garden Crevice Plants

Various alpine and saxatile species

Rock Garden Perennials

Various species (Saxifraga, Sempervivum, Dianthus, Armeria, Phlox subulata, etc.)

Rock Garden Plants

Various alpine and saxicolous species

Rock Garden Saxifrage

Saxifraga species

Rock Garden Specimens

Various alpine and saxatile species

Rock Jasmine

Androsace sarmentosa

Rock-loving ferns

Polypodium vulgare and related saxicolous fern species

Rock-loving mosses

Various species (e.g., Grimmia pulvinata, Syntrichia ruralis, Racomitrium canescens)

Rock-loving plants (Alpine/Saxatile Plants)

Various species in alpine and saxatile habitats

Rock Polypody

Polypodium vulgare

Rock Soapwort

Saponaria ocymoides

Rocky Mountain Maple

Acer glabrum

Rocky Mountain Rose

Rosa woodsii

Rodgersia 'Red Skin'

Rodgersia pinnata 'Red Skin'

Elderleaf Rodgersia

Rodgersia sambucifolia

Romaine Lettuce

Lactuca sativa var. longifolia

Romaine Lettuce Optima

Lactuca sativa var. longifolia

Romaine Lettuce Optima Cos

Lactuca sativa var. longifolia

Romana Lettuce

Lactuca sativa var. longifolia

Romana Lettuce Freckles

Lactuca sativa var. longifolia

Romana Lettuce 'Little Gem'

Lactuca sativa var. longifolia

Red Romaine Lettuce

Lactuca sativa var. longifolia

Romana Rosso

Lactuca sativa var. longifolia

Romance Lettuce

Lactuca sativa var. crispa

Romanesco Veronica

Veronica officinalis

Roman Wormwood

Chamaemelum nobile

Romeo Lettuce

Lactuca sativa var. crispa

Rominette

Lactuca sativa var. crispa

Ronde

Brassica oleracea var. acephala