INDEX

A

Aaron’s rod, 81

Abutilon (abutilon), 147, 163, 174

Abutilon ×hybridum ‘Red Monarch’, 173

Abutilon pictum ‘Gold Dust’, 173

Acalypha wilkesiana, 174

acclimating/hardening off plants, 50, 158, 163, 168

Achillea millefolium, 108

acidanthera, 190

aeonium, 144

Aeonium arboreum, 175

‘Atropurpureum’ and ‘Zwartkop’, 175

African blue basil, 143, 144, 151, 182, 195

Agapanthus africanus, 175

Agastache, 167, 176

Agastache foeniculum, 32, 54

Agastache mexicana ‘Acapulco Orange’, 176

agave, 185

Agave americana, 176, 177

Agave desmettiana ‘Variegata’, 185

Ageratum ‘Blue Horizon’, 114

Ajuga reptans, 106, 127

Alchemilla mollis, 147

Allium schoenoprasum, 29, 54

Allium tuberosum, 54

Alocasia ‘Calidora’, 145

Aloysia triphylla, 144, 178

Alstroemeria, 108

amaranth, 55, 72, 109, 180, 201

Amaranthus cruentus, 55

Ammi majus, 32, 55

Ammi visnaga ‘Green Mist’, 55

Amsonia hubrichtii, 132

Anemone tomentosa ‘Robustissima’, 91, 109

angel’s trumpet, 144, 180, 192

anise hyssop, 12, 32, 54, 72, 123, 131, 190

annuals, lifecycle, 15

Apocynaceae, 16

Aquilegia, 56

Aquilegia caerulea, 56

Aquilegia canadensis, 32

Aquilegia chrysantha ‘Yellow Queen’, 56

Aquilegia vulgaris ‘Lime Green’, 56

Arctostaphylos uva-ursi, 114

Aristida purpurea, 79

Arundo donax ‘Variegata’, 109

Asarina procumbens, 56

Asarum, 91

Asclepias, 39, 57

Asclepias curassavica, 57

Asclepias incarnata, 57

Asclepias tuberosa, 25, 31, 41, 57

Asparagus densiflorus ‘Myersii’, 178

asparagus fern, 178, 186

ASPCA poisonous plant list, 162

aspidistra, 158

Aspidistra elatior, 179

Aster (aster), 63, 114, 117, 131, 176, 184

Aster ×frikartii ‘Monch’, 176

astilbe, 202

Athyrium filix-femina, 120

Atlantic poppy, 72, 75

B

bamboo, 94

barberry, 126

barrenwort, 91, 95, 118

bat flower, 183

bayberry, 111

beach rose, 58, 134

bearberry, 114

beebalm, 73, 76, 94, 128, 133

beefsteak plant, 35, 76

Begonia (begonia), 147, 179, 187

Million Kisses Series, 179

Million Kisses Series Devotion, 92

overwintering, 156, 170, 171

propagation, 153

Begonia grandis, 57

Begonia sutherlandii, 179

bergamot, 128

bergenia, 202

Bergenia cordifolia, 87

betony, 25, 31, 32, 94, 112, 133, 137

biennials, lifecycle, 15

bishop’s flower, 55

black-eyed Susan, 59, 71

Black Lace elderberry, 91, 130, 137

Blithewold gardens, 23, 89, 124, 143, 144, 165

blood flower, 57

blue anise sage, 128, 144, 150, 200, 201

blueberry shrubs, 91, 117

blue daisy, 188

blue fescue, 32, 64, 137

blue Marguerite, 188

blue mistflower, 114

blue spice basil, 73

blue star, 132

bog sage, 123, 135

Boltonia asteroides ‘Nally’s Lime Dots’, 110, 200

Borago officinalis, 29

Boston fern, 194

bowman’s root, 132

bramble, 135

bronze fennel, 35, 66, 126

Brugmansia (brugmansia), 144, 171, 180, 191

Brugmansia versicolor ‘Frosty Pink’, 180

Brunnera macrophylla ‘Hadspen Cream’, 89

bugle, 106, 121, 127

bugs. See caterpillars; insects, beneficial; pests and pest management

bush clematis, 113

butterbur, 89, 91, 92, 94, 131

butterfly lavender, 193

butterfly weed, 25, 31, 41, 57, 64

C

cabbage palm, 162, 182, 202

calamint, 58, 134, 195

Calamintha nepeta subsp. nepeta, 58

calendula, 73

California poppy, 25, 59, 64, 72, 73, 77

Canada columbine, 32, 56

Canadian burnet, 62

Canadian ginger, 118

Canna (canna), 109, 126, 135, 180, 184, 191

‘Bengal Tiger’, 180

overwintering, 169

cardoon, 21, 32, 60

Carex, 111

Carex morrowii ‘Ice Dance’, 111

Carex pensylvanica, 111

cast-iron plant, 179

caterpillars, 16, 66, 82

cat grass, 162

catmint, 81, 121, 133

cats and plants, 162

cat’s whiskers, 58

celandine poppy, 79, 139

century plant, 176

Ceratostigma plumbaginoides, 91, 94, 104, 111

Chamaemelum nobile, 25, 112

Chelone glabra, 117

Chinese duncecap, 129

Chinese hibiscus, 191

chives, 29, 54

chocolate cosmos, 182, 201

Chrysanthemum ‘Sheffield Pink’, 112

cigar plant, 183

Citrus ×meyeri ‘Meyer’, 181

clary sage, 76, 108

Clematis heracleifolia, 113

Clematis ‘Roguchi’, 117

Cleome hassleriana, 58

Clerodendrum trichotomum, 113

Clethra alnifolia, 117

climbing snapdragon, 56, 136

Coix lacryma-jobi, 59

cold frames, 165

coleus, 175, 184, 188, 195, 198

Colocasia (colocasia), 145, 147, 163, 181

Colocasia esculenta, 181

Colocasia gigantea, 181

columbine, 32, 56

common fig, 156, 189

common foxglove, 61

common mullein, 81

common teasel, 62

compost and compost systems, 24

Comptonia peregrina, 89, 91, 114

Conoclinium coelestinum, 114

Consolida ajacis, 48, 59

copper leaf, 174

Cordyline australis, 182

cornflower, 54

Cornus sericea, 115

corydalis, 31, 32, 60, 127, 136

Corydalis cheilanthifolia, 60

Corydalis lutea, 60

Corydalis ochroleuca, 31, 60

Cosmos atrosanguineus, 182

cranesbill geranium, 118, 121, 132, 139

creeping Jenny, 81, 117, 192

creeping mint, 127

creeping phlox, 132

creeping zinnia, 82

cross-pollination, 42

Cuphea, 183

Cuphea llavea, 183

cuttings as propagation method, 96, 100-105, 148-153

Cynara cardunculus, 21, 32, 60

Cyperus involucratus, 183

Cyperus papyrus, 183

Cyperus prolifer, 183

Cypripedium parviflorum var. pubescens, 115

D

daffodil, 132

Dahlia (dahlia), 12, 55, 73, 109, 110, 174, 180, 184, 200

‘Baronesse’, 168

‘Crazy Legs’, 114

in garden design, 144, 147

‘Moonfire’, 7

overwintering, 168, 169, 170, 171

‘Pale Tiger’, 184

‘Uptown Girl’, 143

daisy, 63, 72, 80, 82, 110, 186. See also blue daisy; oxeye daisy; Shasta daisy

Darmera peltata, 116

desert plants. See succulents

devil-in-a-bush, 72

devil’s backbone, 191

Dicentra eximia, 61

Dicliptera sericea, 184

Dicliptera suberecta, 184

Digitalis grandiflora, 61

Digitalis purpurea, 61

dinnerplate dahlia, 55, 109

Dipsacus fullonum, 32, 35, 36, 62

divide-in early-spring rule, exceptions to, 96

division as propagation method, 96-100

dotted mint, 32, 71, 81

E

Echeveria (echeveria), 144, 153, 163, 185, 186

Echeveria elegans, 185

echinacea, 127

echinops, 59

edible plants

African blue basil, 195

blue spice basil, 73

borage flower, 29

chives and garlic chives, 29, 54

Meyer lemon, 181

rosemary, 200

shiso (beefsteak plant), 76

strawberry, 118

Egyptian lavender, 193

Egyptian paper rush, 183

Elaeagnus angustifolia, 117

Elaeagnus ‘Quicksilver’, 92, 117

elephant’s ear, 126, 147, 174, 181, 183

Eomecon chionantha, 91, 117

Epimedium (epimedium), 91, 92, 95, 118, 124

Eragrostis spectabilis, 32, 63

Erigeron karvinskianus ‘Profusion’, 63

Eryngium planum, 32, 64

Erythronium americanum, 132

Eschscholzia californica, 25, 64

Eucomis comosa, 185

Euphorbia (euphorbia), 64, 65, 77

Euphorbia amygdaloides ‘Purpurea’, 65

Euphorbia corollata, 65

Euphorbia longifolia ‘Amjilassa’, 65

Euphorbia marginata, 65

Euphorbia martinii ‘Ascot Rainbow’, 182

Euphorbia tirucalli ‘Sticks on Fire’, 186

European ginger, 118

evergreens, temperate zone, 163

F

F1 hybrids, 42

fairy wings, 118

false aster, 110, 200

false Queen Anne’s lace, 32, 55

false spirea, 137

farfugium, 158, 189, 190

Farfugium japonicum, 186

Farfugium japonicum ‘Aureomaculatum’, 92, 178, 186

Farfugium japonicum var. giganteum, 186, 187

feathertop grass, 7

felicia, 147

Felicia amelloides, 188

fern-leaf bleeding heart, 61

fern-leaf corydalis, 60

fern-leaf lavender, 193

fertilizing

houseplants/potted plants, 161, 163, 166, 169

seedlings, 49

Festuca glauca, 32, 65

feverfew, 80

Ficus carica, 189

Ficus deltoidea, 189

fig, 156, 189

fillers. See spreading plants

fleabane, 63

flowering maple, 173, 174

flowering raspberry, 92, 125, 135

flowering tobacco, 42, 72, 128, 144

flowering tobacco ‘Baby Bella’, 76

flower-of-an-hour, 32, 67

foamflower, 79, 139

focal points. See under garden design

Foeniculum vulgare ‘Purpureum’, 35, 66

forget-me-not, 35, 37, 38, 71, 137, 147

Forsythe pots, 148, 149, 151-153

fothergilla, 91

Fothergilla gardenii, 103

four o’clock, 169, 171, 180, 194

foxglove, 61

foxtail barley, 7

foxtail fern, 178

Fragaria vesca, 118

French lavender, 193

frost-tender plants

in garden design, 143-145

plant profiles, 174-203

propagation, 148-153

thrifty aspects, 173

See also overwintering

Fuchsia (fuchsia), 121, 187, 189, 190

‘Gartenmeister Bonstedt’, 121, 144, 190

overwintering, 169, 171

Fuchsia magellanica var. gracilis ‘Aurea’, 190

G

Galium odoratum, 91, 94, 119

garden design

attitude and opportunistic plants, 13, 205

choosing plants, 22, 32, 92, 144-145

exotic contrasts, 143, 145, 173

focal points, 32, 60, 92, 109, 133, 147, 176, 181

for a long season, 144-145, 147

spacing and layout, 23, 25, 92, 147

See also frost-tender plants; self-sowing plants; spreading plants

garden phlox, 131

garden tools, 105, 148-149

garlic chives, 54

Geranium (geranium), 163, 196

‘Rozanne’, 121

See also cranesbill geranium; scented geranium; zonal geranium

Geranium macrorrhizum, 120, 121

Geranium psilostemon ‘Ann Folkard’, 35

germination

biennials, 38, 43

conditions for, 38, 45-47

hardening off seedlings, 50

sprouting rates, 43, 53

triggering methods, 46

See also seeds

Gillenia trifoliata, 132

Gladiolus (gladiolus), 169, 190

Gladiolus murielae, 190

Global Invasive Species Database, 21

glory bush, 147, 156

golden Alexander, 66

golden creeping Jenny, 87, 125

golden feverfew, 57

golden Japanese forest grass, 94, 121, 124

goldenrod, 133

granny’s bonnet, 56

grape-leaf anemone, 91, 109

graptopetalum, 153

Graptoveria ‘Fred Ives’, 153

great burnet, 110

Green Animals Topiary Garden, 178

greenhouse-like structures, 163, 165

groundcovers, 35

grow-lights, 165

H

habitats, 16, 19, 21

hakonechloa, 92, 97, 98, 106, 113, 186, 189, 199

Hakonechloa macra, 121

‘All Gold’, 92

‘Aureola’, 94, 121

hardening off/acclimating plants, 50, 158, 163, 168

hardiness and hardiness zones, 22, 167. See also individual plant profiles

hardy ageratum, 114

hardy begonia, 57

hardy mum, 112

harlequin glorybower, 113

heirloom self-sowers, 42

hellebore, 45, 66, 121, 127

Helleborus foetidus, 45, 66

herb Louisa, 178

Heuchera (heuchera), 66, 70, 111, 121, 124, 133, 189

‘Caramel’, 121, 178

hibiscus, 156

Hibiscus rosa-sinensis, 191

Hibiscus trionum, 32, 67

Himalayan blue poppy, 70

holly-leaved barberry, 126

honesty, 19, 32

Hordeum jubatum, 7

Hosta (hosta), 57, 66, 70, 91, 111, 113, 124, 178, 190, 198

‘Sum and Substance’, 109

houseleek tree, 175

houseplants/potted plants

advantages of having, 155-156

fertilizing, 160, 161, 163, 169

grooming, 161

indoor humidity levels, 155-156

indoor temperatures, 155, 159, 165, 166, 168

pests, 158, 159-160, 161, 163, 166

tropical plants as, 155

See also overwintering

hoya, 156

humidity levels, 168-169

hummingbird mint, 76, 176

hybrid self-sowers, 42

hydrangea, 109, 131

Hydrangea paniculata ‘Limelight’, 147

Hydrangea quercifolia, 100, 122, 123

Hypericum, 111

Hypericum calycinum ‘Brigadoon’, 186

hyssop. See anise hyssop; sunset hyssop

I

Indian physic, 132

indoor plants. See houseplants/potted plants

insecticides, nontoxic, 160

insects, beneficial, 16. See also pests and pest management

Invasive Plant Atlas of the United States, 21

invasive plants

breeding for non-invasive forms, 42

cautions and gardener responsibilities, 21

defined, 19

identification, 21

self-sowers as, 53

by state, 21, 53

See also individual plant profiles

iresine, 187

Itea virginica, 123

J

Jacob’s coat, 174

Japanese anemone, 109

Japanese forest grass, 121

Japanese rose, 134

Japanese sedge, 71, 111

jewels of Opar, 80

Job’s tears, 59

julep mint, 127

K

Kalanchoe (kalanchoe), 144, 153, 191

Kalanchoe daigremontiana, 191

Kalanchoe pumila, 191

Kalanchoe tomentosa, 191

Kalimeris incisa ‘Blue Star’, 111

kniphofia, 58

L

Labrador violet, 82

lady fern, 120

lady’s mantle, 70, 147

lady’s slipper, 115

lamb’s ear, 19, 98, 117, 137, 195

Lamium maculatum, 124

Lantana camara, 192

larkspur, 59

Lavandula, 193

Lavandula dentata, 193

Lavandula multifida, 193

Lavandula stoechas, 144, 193

lavender, 63, 76, 108, 127, 134, 178, 193, 196

layering as propagation method, 100-103, 103

leadwort, 111

lemongrass, 178

lemon verbena, 144, 169, 178

leopard plant, 92, 186

Leucanthemum ×superbum, 64

Leucanthemum vulgare, 21

licorice vine, 83, 188

lifecycle categories, 15

light and light requirements, 22, 156-158. See also individual plant profiles

ligularia, 186

lily of the Nile, 175

lily turf, 124

Liriope muscari, 124

Little Henry, 123

lobelia, 187

Lobelia erinus, 179

Lobularia maritima, 48, 67

Lonicera fragrantissima, 92, 101, 125

love-in-a-mist, 72, 76

Lunaria annua, 19, 32, 68

lungwort, 79, 139

lupine/lupine seedlings, 32, 43, 47, 68, 69

Lupinus, 68

Lupinus albifrons, 68

Lupinus perennis, 68

Lupinus polyphyllus, 68

Lupinus Russell hybrid, 68, 69

Lupinus texensis, 68

Lychnis coronaria, 70

Lysimachia nummularia ‘Aurea’, 87, 125

M

Macleaya cordata, 89, 92, 126

Mahonia aquifolium, 126

Mandevilla (mandevilla), 193, 202

Sun Parasol Pretty Crimson, 193

Martha Washington (regal) geranium, 196

marvel of Peru, 194

Meconopsis betonicifolia, 70

Meconopsis cambrica, 70

Meehania cordata, 127

Meehan’s mint, 121, 127

Mentha spicata ‘Kentucky Colonel’, 127

Mertensia virginica, 79

Mexican evening primrose, 19, 91, 128

Mexican feather grass, 25, 31, 32, 52, 73, 79, 176, 182

Mexican zinnia, 82

Meyer lemon, 156, 181

milkweed, 39, 57, 196

milkweed family, 16, 57

Minoan lace, 73

mint, 54

mint family, 92, 94, 99

Mirabilis jalapa, 194

mistletoe fig, 189

Monarda didyma, 128

Monarda punctata, 32, 71, 81

money plant, 68

moneywort, 125

Moroccan poppy, 75

moss rose, 176

mother of thousands, 136

mountain mint, 9, 25, 94, 133, 174

mulch and mulching, 37-38, 167

mullein, 81

mum, 112

Myosotis sylvatica, 35, 38, 71

Myrica pensylvanica, 111

N

Nassella tenuissima, 79

nasturtium ‘Alaska Salmon’, 127

National Capital Poison Center, 162

nectar-rich flowers, 16

Nepeta racemosa, 133

Nephrolepis exaltata, 194

nettle-leaved mullein, 81

New Guinea impatiens, 195

New Zealand flax, 162, 181, 192, 197, 202

Nicotiana (nicotiana), 42, 55, 72, 144, 192, 196, 201

‘Crimson Bedder’, 196

‘Lime Green’, 42, 72, 196

seedlings, 50

Nicotiana alata, 72

Nicotiana langsdorffii, 72

Nicotiana mutabilis ‘Bella’, 72

Nicotiana sylvestris, 72

Nigella damascena, 48, 72

ninebark, 109, 117, 125, 137

none-so-pretty, 77

O

oakleaf hydrangea, 100, 123

oak sedge, 111

Ocimum ‘African Blue’, 143, 144, 151, 160, 195

Ocimum basilicum, 73, 76, 195

Ocimum kilimandscharicum, 195

Oenothera speciosa, 19, 91, 128

open-pollinated plants, 42

opium poppy, 17, 39, 75

opportunistic plants, 13, 19-21, 53. See also invasive plants

orchid, 115, 156

Oregon grape, 126

Orlaya grandiflora, 73, 147

Orostachys iwarenge, 129

overwintering

acclimating plants, 158, 163

advantages of, 143

in bright, chilly spaces, 163-166, 168

in dark, cool spaces, 168-171

plants with tuberous and fibrous roots, 169

timing moves inside and outside, 158, 163 165-166, 168, 169, 170

using cuttings, 148-153

on warm windowsills, 155-163

watering potted plants, 155, 158-159, 166

window light exposures, 156-158

See also houseplants/potted plants; individual plant profiles, 174-203

Oxalis ‘Copper Glow’, 195

Oxalis ‘Plum Crazy’, 195

Oxalis vulcanicola, 195

oxeye daisy, 21

P

palm grass, 169, 171, 191, 201

panda plant, 191

Panicum virgatum ‘Heavy Metal’, 114

Papaver atlanticum, 74, 75

Papaver somniferum, 17, 39, 75

papyrus, 162, 183

parlor maple, 174

Pelargonium, 15, 144, 166, 196

Pelargonium ×domesticum, 196

Pelargonium tomentosum, 196

Pelargonium zonale, 196

pencil cactus, 186

Pennisetum villosum, 7

Pentas lanceolata, 196

peony, 96, 128

peony poppy, 55, 75

peppermint-scented geranium, 184, 196

perennials

dividing and transplanting, 96, 97-100

lifecycle, 15

spacing, 25

sticking root cuttings, 100-105

Perilla frutescens var. crispa, 35, 76

Peruvian lily, 108

pests and pest management

aphids, 144, 159, 160, 174, 183, 191, 200

on houseplants/potted plants, 158, 159-160, 161, 163, 166

leaf-mining insects, 56

mealybugs, 159, 191

non-toxic insecticides, 160

scale, 159, 191, 197

spider mites, 159, 160

whitefly, 159, 174, 183, 191, 192, 195, 196, 198, 200

Petasites japonicus, 89, 91, 92, 130, 131

pets and plants, 162

petunia hybrid, 83

Phlox divaricata, 132, 147

Phlox paniculata, 131

Phlox stolonifera, 132

Phormium (phormium), 144, 163, 197

Physocarpus opulifolius, 109, 117, 125, 137

pineapple lily, 109, 185

pineapple mint, 193

pineapple sage, 200

pink porterweed, 144, 181, 201

pink snakeweed, 201

Platycerium bifurcatum, 197

Plectranthus ciliatus, 198

Plectranthus ‘Mona Lavender’, 198

Plectranthus scutellarioides, 198, 199

plumbago, 91, 104, 111, 113, 124, 185, 196, 202

plume poppy, 89, 92, 126

poisonous plants. See toxic plants

pollinators and pollination, 15-17, 42

poor man’s delphinium, 59

poppy, 25, 32, 48, 68

Porteranthus trifoliatus, 132

Portulaca grandiflora, 176

primrose, 127

prince’s feather, 55

princess flower, 202

propagation methods

dividing, 96-100

layering, 96, 100-103, 103

sticking root cuttings, 96, 100-105

suckers, stolons (runners), and rhizomes, 17

tip and leaf cuttings, 148-153

tools, 105, 148-149

See also reproduction; seeds; self-sowing plants

protected plants, 115

Pulmonaria, 79, 139

purple basil, 76

purple lovegrass, 32, 63

purple mullein, 81

purple three awn, 79

Pycnanthemum muticum, 25, 94, 133

R

rabbit’s foot fern, 158

red amaranth, 55

red hook sedge, 202

red-twig dogwood, 115, 131, 135

regal (Martha Washington) geranium, 196

reproduction, 15, 17. See also propagation methods

rhizomes and rhizomatous plants, 17, 94, 97-99

Rhododendron ‘Roxanne Hardgrove’, 32

Rhus typhina ‘Bailtiger’, 94, 133

rice paper plant, 138, 198

Roman chamomile, 25, 112

root cuttings, 96, 100-105

rooting hormones, 150-151

rooting mediums, 148, 153

Rosa rugosa, 134

rose, 59, 77, 128

rose campion, 70, 117

rosemary, 144, 200

Rosmarinus officinalis, 144, 200

Royal Horticultural Society, 87

Rubus, 135

Rubus odoratus, 92, 134, 135

Rubus parviflorus, 135

Rubus ulmifolius, 92, 135

runners, 17, 22, 92, 94, 100-101

running bamboo, 94

S

sage. See blue anise sage; bog sage; clary sage; pineapple sage; silver sage

Salix, 150

salvia, 169, 174, 184, 196

Salvia argentea, 76, 184

Salvia elegans, 200

Salvia guaranitica, 144, 150, 200

Salvia sclarea, 76

Salvia sclarea var. turkestanica ‘Alba’, 76

Salvia uliginosa, 135

Sambucus nigra ‘Eva’, 91, 137

Sanguisorba canadensis, 62

Sanvitalia procumbens, 82

Saxifraga stolonifera, 94, 101, 136

scale, 159, 191, 197

scarification of seeds, 46

scented geranium, 15, 156, 181. See also peppermint-scented geranium

sea holly, 32, 57, 64, 137

sedge, 111, 118

‘Sedona’ coleus, 188

Sedum (sedum), 63, 87, 129, 136, 176

Sedum acre, 136

Sedum dasyphyllum, 136

Sedum spathulifolium, 87, 136

seedless plants, 42

seeds

collecting and saving, 39, 41, 43

controlled sowing, 45-50

heirlooms and hybrids, 42

lifespan, 43

natural dispersal, 17, 53

seed-starting station, 45

sowing indoors, 48-50

See also germination; self-sowing plants

self-sowing plants

in garden design, 29-32

mulching, 37-38

plant profiles, 54-83

taking editorial control, 35-38, 48

thrifty aspects, 32

transplanting, 36-37

use in weed control, 36

See also seeds

Setaria palmifolia, 201

shamrock, 195

Shasta daisy, 64, 134

shiso, 76, 184, 185, 198

shrubs

dividing, 96, 99-100

in garden design, 91

lifecycle, 15

spacing, 92

sticking root cuttings, 100-103

shrub verbena, 181, 192

Siberian iris, 147

Silene armeria, 25, 37, 77

silverbush elaeagnus, 92, 117

silver lupine, 68

silver sage, 76, 184

Sister violet, 82

snapdragon, 56

snowmelt sowing method, 47

snow-on-the-mountain, 65

snow poppy, 91, 117, 126

soil

“average,” “well-drained,” and “poor” defined, 23

conducive to self-sowers, 37-38

indicators for watering pots, 158-159

potting, 161

rooting mediums, 148, 153

See also individual plant profiles

Sorbaria sorbifolia ‘Sem’, 137

sorrel, 195

spacing of plants, 23, 25, 92, 147. See also individual plant profiles

Spanish lavender, 144, 193

spearmint, 94, 127

spider flower, 58

Spiraea japonica ‘Golden Elf’, 113

Spiraea thunbergii ‘Ogon’, 183

spotted beebalm, 71

spotted deadnettle, 94, 124, 126, 127, 179

spreading plants

confining/controlling, 94, 99

in garden design, 87-95

growth rate and spacing, 92

plant profiles, 108-139

propagation, 96-105

spur flower, 76, 182, 198

spurge, 65, 68, 79, 182

Stachys byzantina, 19, 98, 137

Stachys officinalis ‘Hummelo’, 25, 31, 94, 137

Stachytarpheta mutabilis, 144, 201

Stachytarpheta urticifolia, 201

staghorn fern, 197

star cluster, 196

stinking hellebore, 45, 66

Stipa tenuissima, 25, 31, 32, 52, 78, 79

St. John’s wort, 111, 186

stoloniferous shrubs, 100-101

stolons, 17, 100

stonecrop, 63, 136, 176

stratification of seeds, 46-47

strawberry, 118

strawberry begonia, 94, 101, 136

striped giant reed, 109

Stylophorum diphyllum, 79

succulents

in garden design, 144-145

as houseplants, 155, 156

overwintering, 166

propagation, 153

suckers, 17, 94, 99, 100

summer phlox, 131, 190

summersweet, 117

sunset hyssop, 176

Sutherland’s begonia, 179

swamp milkweed, 57

sweet alyssum, 48, 67

sweet-breath-of-spring, 92, 101, 125

sweet fern, 89, 91, 111, 114

sweet William catchfly, 25, 37, 57, 73, 77, 112

sweet woodruff, 91, 94, 119

switchgrass, 114

T

Talinum paniculatum, 80

tall verbena, 12, 81, 190, 196

tall vervain, 81

Tanacetum parthenium, 80

taro, 181

teasel, 32, 35, 36, 62

Tetrapanax papyrifer ‘Steroidal Giant’, 138

Texas bluebonnet, 68

thimbleberry, 135

thornless blackberry, 92, 135

Thymus pseudolanuginosus, 111

Tiarella, 139

Tiarella cordifolia, 139

Tiarella trifoliata var. laciniata, 139

Tiarella wherryi, 139

Tibouchina urvilleana, 147, 202

Tiger Eyes staghorn sumac, 68, 92, 94, 104, 133, 135, 198

tillandsia, 158

toxic plants

common foxglove, 61

identification of, 162

pencil cactus, 186

pet and child safety, 162

shrub verbena, 192

spurge, 65

transplanting

perennials, 97-100

rooted layers, 100-103

seedlings, 36-37, 48-49, 50

space management, 92

suckers and plantlets, 100

transplant shock, 97, 166

tree anemone, 175

trees, lifecycle, 15

trout lily, 132

tube clematis, 113

tuberous begonia, 179

Tulipa, 71, 147

tulips as placeholders, 147

tumbleweed grass, 63

Turkish mullein, 81

turtlehead, 117

U

umbrella grass, 183

umbrella plant, 116, 117, 183

Uncinia uncinata ‘Rubra’, 188, 202, 203

Uruguayan firecracker plant, 184

USDA Natural Resources Conservation Service, 115

USDA Plant Database, 21

V

variegated ribbon grass, 179

Verbascum, 81

Verbascum bombyciferum ‘Artic Summer’, 81

Verbascum chaixii, 81

Verbascum epixanthinum cross, 81

Verbascum phoeniceum, 81

Verbascum thapsus, 81

verbena. See lemon verbena; shrub verbena; tall verbena

Verbena bonariensis, 81

viburnum, 131

Viola labradorica, 82

Viola sororia, 82

violet, 32, 92

Virginia bluebell, 79

Virginia sweetspire, 123

Volatile Organic Compounds (VOCs), 155

volunteers. See self-sowing plants

W

weeds

aggressive plants perceived as, 19, 29, 48, 71

plants as suppressors, 35, 36-38

Welsh poppy, 70

white corydalis, 31, 60

white lace flower, 73, 147

wild bleeding heart, 61, 115, 132

wild lupine, 68

willow, 150

willow water, 150-151

winter honeysuckle, 125

woodland fern, 132

woodland or wild strawberry, 118

woodland phlox, 132, 147

wood spurge, 65

woolly thyme, 111

Y

yarrow, 73, 79, 108, 112

yellow corydalis, 60

yellow foxglove, 61

yellow lady’s slipper, 115

Z

zinnia, 55, 82, 110

Zinnia angustifolia, 82, 83

Zizia aurea, 66

zonal geranium, 196