Plant Growing Guides

Currant and Gooseberry

Ribes species

Riccardia (Liverwort)

Riccardia species

Rice Cutgrass

Leersia oryzoides

Riparian herbaceous plants

Various species in riparian zones

Rip Van Winkle Daffodil

Narcissus pseudonarcissus 'Rip van Winkle'

River Birch

Betula nigra

Willows and Poplars

Salix spp. and Populus spp.

River Oats

Chasmanthium latifolium

Riviera Lilac Splash

Calibrachoa × hybrida 'Riviera Lilac Splash'

Robert (Herb Robert)

Geranium robertianum

Robert Chapman Heather

Calluna vulgaris 'Robert Chapman'

Robin Hill Azalea

Rhododendron 'Robin Hill'

Robustissima Windflower

Anemone × hybrida 'Robustissima'

Roc d'Or

Lactuca sativa var. crispa 'Roc d'Or'

Rock Brake

Cryptogramma crispa

Rock Cotoneaster

Cotoneaster horizontalis

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

London Pride Saxifrage

Saxifraga × urbium

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

Rock Spiraea

Petrophytum caespitosum

Rocky Mountain Maple

Acer glabrum

Rocky Mountain Rose

Rosa woodsii

Rodgersia

Rodgersia pinnata

Rodgersia, Fingerleaf Rodgersia

Rodgersia aesculifolia

Fingerleaf Rodgersia

Rodgersia aesculifolia