Plants by botanic name
Below is a list of plant names beginning with the letter 'a', listed by scientific/botanical (Latin) name. Click a letter of the alphabet to see a list of plants with botanic / latin names beginning with that letter. Alternatively click here to see the plants listed alphabetically by common name.
| Botanic name | Common name(s) |
|---|---|
| Abies bracteata | Bristlecone Fir, Santa Lucia Fir |
| Abies cephalonica | Grecian Fir, Greek Fir |
| Abies cilicica | Cilician Fir |
| Abies colimensis | Colima Fir |
| Abies nordmanniana subsp. nordmanniana | Nordmann fir, Caucasian fir |
| Abies religiosa | Sacred Fir, Oyamel Fir |
| Abies religiosa subsp. religiosa | Colima Fir |
| Abutilon | Indian mallow |
| Abutilon megapotamicum | Trailing abutilon |
| Abutilon x milleri | Miller abutilon |
| Abutilon x suntense | Indian mallow |
| Acacia dealbata | Mimosa |
| Acacia dealbata 'Gaulois Astier' | Mimosa |
| Acacia robusta | Thorn tree |
| Acacia verticillata | Prickly Moses |
| Acaena microphylla | New Zealand bur |
| Acaena saccaticupula | New Zealand Bur |
| Acaena saccaticupula 'Blue Haze' | New Zealand Bur |
| Acalypha rhomboidea | Rhomboid mercury |
| Acanthus mollis | Bear's breeches |
| Acanthus mollis 'Rue Ledan' | Bear's breeches |
| Acanthus spinosus | Bear's breeches |
| Acca sellowiana | Pineapple Guava |
| Acer | Maple |
| Acer 'Red Flamingo' | Snakebark maple 'Red Flamingo' |
| Acer 'Senkaki' | Coral bark maple |
| Acer buergerianum | Trident maple, Three-toothed maple |
| Acer campestre | Field maple |
| Acer dasycarpum | Silver maple, Sugar maple, White maple, Soft maple |
| Acer eriocarpum | Silver maple, Sugar maple, White maple, Soft maple |
| Acer griseum | Eastern maple, Paperbark maple, Paper-bark maple |
| Acer grosseri | Snake-bark maple |
| Acer japonicum 'Aconitifolium' | Downy Japanese maple |
| Acer japonicum 'Vitifolium' | Full moon maple |
| Acer negundo | Box elder, ash-leaved maple, boxelder maple, ashleaf maple |
| Acer palmatum | Japanese Maple |
| Acer palmatum 'Atropurpureum' | Japanese maple |
| Acer palmatum 'Bloodgood' | Japanese maple |
| Acer palmatum 'Cinnabarinum' | Japanese maple |
| Acer palmatum 'Dissectum Atropurpureum' | Japanese maple |
| Acer palmatum 'Dissectum Garnet' | Japanese maple |
| Acer palmatum 'Dissectum' | Japanese maple |
| Acer palmatum 'Garnet' | Japanese maple |
| Acer palmatum 'Koto-no-ito' | Japanese maple |
| Acer palmatum 'Linearilobum' | Japanese maple |
| Acer palmatum 'Osakazuki' | Japanese maple |
| Acer palmatum 'Palmatifidum' | Japanese maple |
| Acer palmatum 'Red Pygmy' | Japanese maple |
| Acer palmatum 'Sango-kaku' | Coral bark maple |
| Acer palmatum 'Seiryu' | Japanese maple |
| Acer palmatum 'Senkaki' | Coral-bark maple |
| Acer palmatum 'Shin-deshojo' | Japanese maple |
| Acer palmatum 'Taylor' | Japanese maple |
| Acer palmatum ('Firecracker'PBR) | Japanese maple |
| Acer palmatum var. dissectum 'Sango-kaku' | Coral bark maple |
| Acer palmatum var. dissectum Dissectum Atropurpureum Group | Japanese maple |
| Acer platanoides | Norway maple |
| Acer platanoides 'Rubrum' | Norway maple, Red maple, Soft maple |
| Acer platanoides f. rubrum | Norway maple, Red maple, Soft maple |
| Acer pseudoplatanus | Sycamore (UK), Sycamore maple (USA) |
| Acer pseudoplatanus 'Brilliantissimum' | Sycamore, Sycamore maple |
| Acer pseudoplatanus f. variegatum | Variegated sycamore |
| Acer rubrum | Red maple |
| Acer saccharinum | Silver maple, Sugar maple, White maple, Soft maple |
| Acer saccharum | Sugar maple, Silver maple, Rock maple, White maple, Soft maple |
| Acer saccharum 'Green Mountain' | Sugar maple 'Green Mountain' |
| Acer shirasawanum | Full moon maple, Japanese maple |
| Acer shirasawanum 'Aureum' | Full moon maple, Japanese maple, Golden Shirasawa maple |
| Acer shirasawanum 'Autumn Moon' | Full moon maple, Japanese maple, Shirasawa maple 'Autumn Moon' |
| Acer shirasawanum MOONRISE 'Munn 001'PBR | Shirasawa maple |
| Acer x conspicuum 'Red Flamingo' | Snakebark maple 'Red Flamingo' |
| Achillea | Yarrow, The virgin's lavender |
| Achillea filipendulina 'Gold Plate' | Fern-leaf yarrow |
| Achillea millefolium | Yarrow, Common yarrow, Arrowroot, Bloodwort, Milfoil, Nosebleed, Snake's grass, Woundwort, Devil's nettle |
| Achillea ptarmica | Sneezewort |
| Achillea sibirica 'Love Parade' | Yarrow |
| Achillea sibirica subsp. camschatica 'Love Parade' | Yarrow |
| Achillea umbellata 'Walther Funcke' | Yarrow |
| Achnatherum calamagrostis | Rough feather grass |
| Aconitum | Wolfsbane, Monkshood |
| Aconitum jaluense | Wolfsbane, Monkshood |
| Aconitum jaluense subsp. jaluense | Wolfsbane, Monkshood |
| Aconitum lycoctonum | Wolfsbane |
| Aconitum napellus | Monkshood, Aconite, Wolfsbane |
| Acorus calamus | Flag iris, Sweet flag |
| Acorus calamus 'Variegatus' | Sweet flag, Variegated flag iris, Flag iris |
| Actaea rubra | Red Baneberry |
| Actaea simplex Atropurpurea Group 'Brunette' | Baneberry |
| Actinidia deliciosa | Chinese gooseberry, Kiwi fruit |
| Actinidia deliciosa 'Jenny' | Kiwi fruit |
| Actinidia kolomikta | Ornamental Kiwi Fruit, Variegated-leaf hardy kiwi |
| Adiantum aethiopicum | Common maidenhair fern, Maidenhair fern |
| Adiantum pedatum 'Imbricatum' | Five-fingered maidenhair fern |
| Adiantum raddianum | Maidenhair fern, Delta maidenhair fern |
| Adiantum venustum | Evergreen Maidenhair |
| Adoxa moschatellina | Moschatel, Mushroot |
| Aegopodium podagraria | Ground elder, Bishop's goutweed, Acheweed, Dog elder, Goat's weed |
| Aesculus hippocastanum | Horse Chestnut, Conker tree, Common Horse Chestnut, Baumann's Horse Chestnut |
| Aesculus indica | Indian Horse Chestnut |
| Aesculus x carnea | Red Horse Chestnut, California Buckeye |
| Aesculus x carnea 'Plantierensis' | Red horse chestnut |
| Agapanthus 'Midnight Star' | African lily |
| Agapanthus africanus | Agapanthus, African blue lily, African lily |
| Agapanthus africanus 'Bressingham White' | Agapanthus, African lily |
| Agapanthus praecox | Blue lily, African lily, Lily of the Nile |
| Agaricus campestris | Field mushroom |
| Agastache 'Blackadder' | Giant hyssop |
| Agastache 'Morello' | Giant hyssop |
| Agastache foeniculum | Anise Hyssop |
| Agastache pallida x rugosa 'Globetrotter' | Korean mint |
| Agave americana | Century plant, American aloe |
| Ageratina altissima | White snakeroot, Snakeroot |
| Ageratina altissima 'Chocolate' | White snakeroot, Snakeroot, boneset |
| Ageratum | Floss flower, Ageratum |
| Ageratum 'Adriatic' | Ageratum |
| Ageratum 'Blue Danube' | Ageratum, Floss flower, Mexican paintbrush |
| Ageratum 'Blue Mink' | Ageratum, Floss flower |
| Ageratum houstonianum | Mexican paintbrush |
| Ageratum houstonianum 'Blue Danube' | Mexican paintbrush |
| Agrimonia | Agrimony |
| Agrimonia eupatoria | Agrimony |
| Agrostemma githago | Corn cockle |
| Agrostis avenacea | Pacific bent grass, Blown-grass, New Zealand wind grass |
| Agrostis canina | Velvet bent |
| Agrostis capillaris | Common bent |
| Agrostis castellana | Highland bent |
| Agrostis curtisii | Bristle bent |
| Agrostis gigantea | Black bent |
| Agrostis scabra | Rough bent |
| Agrostis stolonifera | Creeping bent |
| Agrostis vinealis | Brown bent |
| Ailanthus altissima | Tree of Heaven |
| Ailanthus altissima 'Purple Dragon' | Tree of Heaven |
| Aira caryophyllea | Silver hairgrass |
| Aira praecox | Early hairgrass |
| Ajuga | Bugle |
| Ajuga reptans | Bugle |
| Akebia quinata | Chocolate vine |
| Alcea ficifolia | Antwerp hollyhock, Fig-leaved hollyhock, Hollyhock |
| Alcea rosea 'Chater's Double' | Hollyhock |
| Alcea rosea 'Nigra' | Hollyhock |
| Alcea rosea Chater's Double Group 'Chater's Salmon Pink' | Hollyhock |
| Alcea rosea Chater's Double Group 'Chater's Scarlet' | Hollyhock |
| Alcea rosea Chater's Double Group 'Chater's Yellow' | Hollyhock |
| Alcea setosa | Bristly hollyhock |
| Alchemilla | Lady's mantle |
| Alchemilla alpina | Alpine lady's mantle, Lady's mantle |
| Alchemilla mollis | Lady's mantle, Garden Lady's Mantle |
| Alchemilla mollis 'Cream Dream | Lady's mantle |
| Alchemilla vulgaris | Lady's mantle |
| Alisma gramineum | Ribbon-leaved water plantain |
| Alisma lanceolatum | Narrow-leaved water plantain |
| Alisma plantago-aquatica | Common water plantain, Water plantain |
| Alliaria petiolata | Garlic mustard, Hedge garlic, Poor man's mustard, Garlic root, Jack-by-the-hedge |
| Allium | Onion |
| Allium 'Globemaster' | Onion, Ornamental onion |
| Allium 'Lucky Balloons' | Ornamental onion |
| Allium 'Mont Blanc' | Ornamental onion |
| Allium ampeloprasum | Wild leek |
| Allium ampeloprasum 'Carlton' PBR | Leek |
| Allium ampeloprasum 'Edison F1' | Leek |
| Allium ampeloprasum 'Giant Winter 3' | Leek |
| Allium ampeloprasum 'King Richard' | Leek |
| Allium ampeloprasum 'Lyon' | Leek |
| Allium ampeloprasum 'Musselburgh' | Leek |
| Allium ampeloprasum 'Neptune' | Leek |
| Allium ampeloprasum 'Newton' | Leek |
| Allium ampeloprasum 'Pancho' | Leek |
| Allium ampeloprasum 'Poristo' | Leek |
| Allium ampeloprasum 'Swiss Giant' | Leek |
| Allium ampeloprasum var. ampeloprasum | Elephant garlic |
| Allium carinatum | Keeled garlic |
| Allium cepa | Onion, Spring onion, salad onion, scallion |
| Allium cepa 'Ailsa Craig' | Onion |
| Allium cepa 'Bedfordshire Champion' | Onion |
| Allium cepa 'Californian Red' | Onion |
| Allium cepa 'Japanese Buffalo' F1 hybrid | Onion |
| Allium cepa 'Red Cross' | Onion |
| Allium cepa 'Rijnsburger' | Onion |
| Allium cepa 'Shakespeare' | Onion |
| Allium cepa 'Troy' | Onion |
| Allium cepa 'White Lisbon' | Spring onion, Scallion, green onion, salad onion |
| Allium cepa Aggregatum Group | Potato Onion, Shallot,Scallion |
| Allium cepa Aggregatum Group 'Yellow Moon' | Shallot, Scallion |
| Allium cepa Proliferum group | Tree onion |
| Allium cepa var. aggregatum Aggregatum Group | Shallot, Scallion |
| Allium cepa var. prolifera | Tree onion |
| Allium cristophii | Persian onion, Star-of-Persia |
| Allium fistulosum | Welsh onion, Japanese bunching onion |
| Allium hollandicum 'Purple sensation' | Ornamental onion |
| Allium lusitanicum 'Summer Beauty' | Ornamental onion |
| Allium moly | Yellow garlic |
| Allium neapolitanum | Neapolitan garlic |
| Allium nigrum | Broad-leaved leek, Black garlic |
| Allium oleraceum | Field garlic |
| Allium paradoxum | Few-flowered garlic |
| Allium pendulinum | Italian garlic |
| Allium porrum | Leek |
| Allium porrum 'Giant Winter 3' | Leek |
| Allium porrum 'Lyon' | Leek |
| Allium porrum 'Musselburgh' | Leek |
| Allium porrum 'Newton' | Leek |
| Allium porrum 'Poristo' | Leek |
| Allium porrum 'Swiss Giant' | Leek |
| Allium roseum | Rosy garlic |
| Allium sativum 'Cristo' | Garlic |
| Allium sativum 'Germinadour' | Garlic |
| Allium sativum 'Printanor' | Garlic |
| Allium sativum 'Provence Wight' | Garlic |
| Allium sativum 'Red Duke' | Garlic |
| Allium sativum 'Thermidrome' | Garlic |
| Allium schoenoprasum | Chives |
| Allium scorodoprasum | Lady garlic, Rocambole, Sand leek |
| Allium sphaerocephalon | Drumstick allium, Round-headed leek, Bristol onion |
| Allium subhirsutum | Hairy garlic |
| Allium triquetrum | Three-cornered garlic |
| Allium unifolium | American garlic |
| Allium ursinum | Wild garlic, Ransoms, Wood garlic |
| Allium vineale | Ornamental onion |
| Alnus glutinosa | Alder, Black Alder |
| Aloe | Aloe vera, Barbados aloe |
| Aloe arborescens | Dear-horn cactus |
| Aloe vera | Aloe vera |
| Alopecurus aequalis | Shortawn foxtail, Orange foxtail |
| Alopecurus borealis | Alpine foxtail |
| Alopecurus bulbosus | Bulbous foxtail |
| Alopecurus geniculatus | Marsh foxtail |
| Alopecurus myosuroides | Black grass, Slender meadow foxtail |
| Alopecurus pratensis | Meadow foxtail |
| Aloysia citrodor | Lemon verbena |
| Aloysia citrodora | Cidrón |
| Aloysia triphylla | Lemon verbena |
| Alstroemeria | Flower of the Incas, Peruvian Lily |
| Alstroemeria 'Dwarf Pink' | Princess lilies |
| Alstroemeria 'Planet' | Peruvian lily |
| Alstroemeria aurea | Peruvian lily |
| Alstroemeria ligtu hybrids | Peruvian lily |
| Althaea officinalis | Marshmallow |
| Althaea rosea | Common hollyhock |
| Alyogyne huegelii | Lilac hibiscus |
| Alyssum | Alyssum |
| Alyssum maritimum | Alyssum, Sweet alyssum |
| Alyssum maritimum 'Carpet of Snow' | Alyssum |
| Alyssum maritimum 'Golf Mix' | Alyssum |
| Alyssum maritimum 'Little Dorrit' | Alyssum |
| Alyssum maritimum 'Minimum' | Alyssum |
| Alyssum maritimum 'Oriental Night' | Alyssum |
| Alyssum maritimum 'Rosie O'Day' | Alyssum |
| Alyssum maritimum 'Royal Carpet' | Alyssum |
| Alyssum maritimum 'Snow Carpet' | Alyssum |
| Alyssum maritimum 'Snow Crystals' | Alyssum |
| Alyssum maritimum 'Snow Drift' | Alyssum |
| Alyssum maritimum 'Wonderland' | Alyssum |
| Alyssum orientale | Alyssum, Sweet alyssum |
| Alyssum saxatile | Alyssum |
| Alyssum saxatile var. compactum | Alyssum |
| Alyssum saxatile var. compactum 'Gold Dust' | Alyssum |
| Amaranthus 'Molten Fire' | Amaranthus |
| Amaranthus caudatus | Amaranthus, Love-lies-bleeding, Tassel flower |
| Amaryllis | Amaryllis, Horseman's star |
| Amaryllis belladonna | Belladonna lily, Amarillo, Jersey lily |
| Amelanchier | Serviceberry |
| Amelanchier lamarckii | Snowy Mespilus, Serviceberry |
| Ammi majus | Bullwort, Queen Anne's lace, Bishop's flower |
| Ammi visnaga | Toothpick plant, Bishop's weed, Khella, Bisnaga |
| Ammi visnaga 'Green Mist' | Toothpick plant, Bishop's weed, Khella, Bisnaga |
| Ammophila | Marram grass |
| Ammophila arenaria | European marram grass |
| Ammophila breviligulata | American marram |
| Amorphophallus titanum | Titan arum, Corpse flower |
| Ampelodesmos mauritanicus | Mauritania Vine Reed |
| Amsonia tabernaemontana | Blue star |
| Anacamptis pyramidalis | Pyramidal orchid |
| Anacardium occidentale | Cashew Nut |
| Anacyclus pyrethrum var. depressus | Flattened Alexander's foot |
| Ananas comosus | Pineapple |
| Andropogon gerardi | Big bluestem |
| Andropogon gerardi 'Weinheim Burgundy' | Big bluestem |
| Andropogon virginicus | Broomsedge blue stem, Big blue stem |
| Anemanthele lessoniana | Pheasant's tail grass, Ornamental grass |
| Anemone 'Mistral ® Rarity' | Italian Anemone |
| Anemone 'Mistral ® Vinato' | Italian Anemone |
| Anemone blanda | Windflower |
| Anemone blanda 'Blue Star' | Anemone |
| Anemone blanda 'Radar' | Anemone |
| Anemone coronaria De Caen Group 'The Bride' | Anemone |
| Anemone coronaria De Caen Group The Bride | Anemone, Garden anemone |
| Anemone multifida | Anemone |
| Anemone nemerosa | Wood anemone |
| Anemone nemerosa 'Robinsoniana' | Windflower, Wood anemone, Anemone of Great Britain |
| Anemone x hybrida | Japanese Anemone |
| Anemone x hybrida 'Elegance' | Anemone |
| Anemone x hybrida 'Honorine Jobert' | Anemone |
| Anemone x hybrida 'Königin Charlotte' ('Queen Charlotte') | Anemone, Windflower |
| Anemone x hybrida 'Margarette' | Anemone, Windflower |
| Anemone x hybrida 'Max Vogel' | Japanese anemone, Windflower |
| Anethum graveolens | Dill |
| Angelica gigas | Purple angelica, Angelica |
| Anisodontea capensis | African mallow, Cape mallow, dwarf hibiscus, false mallow |
| Antennaria dioica | Cat's ears |
| Antennaria dioica 'Rubra' | Cat's ears |
| Anthemis 'Mrs E C Buxton' | Chamomile, Dog fennel |
| Anthemis tinctoria | Dyers chamomile |
| Anthoxanthum aristatum | Annual vernalgrass |
| Anthoxanthum odoratum | Sweet vernalgrass |
| Anthriscus cerefolium | Chervil |
| Anthriscus sylvestris | Cow parsley |
| Anthriscus sylvestris 'Ravenswing' | Cow parsley |
| Anthurium | Flamingo flower, Tail flower, Laceleaf |
| Anthurium andreanum | Tail flower, Painter's palette, Flamingo flower, Lace leaf |
| Anthurium clarinervium | Velvet Cardboard Anthurium |
| Anthurium crystallinum | Crystal anthurium, Strap flower |
| Anthurium scherzerianum | Flamingo flower, Jack-in-the-pulpit, Scherzer's flamingo plant, Tail flower, Flame plant |
| Anthyllis vulneraria | Kidney vetch |
| Antirrhinum majus | Snapdragon |
| Antirrhinum majus 'Dwarf Large Flowered' | Snapdragon |
| Antirrhinum majus 'Intermediate' | Snapdragon |
| Antirrhinum majus 'Magic Carpet' | Snapdragon |
| Antirrhinum majus 'Majestic' | Snapdragon |
| Antirrhinum majus 'Nanum' | Snapdragon |
| Antirrhinum majus 'Tip Top' | Snapdragon |
| Apera interrupta | Dense silkybent |
| Apera spica-venti | Loose silkybent |
| Apios americana | Potato bean, American groundnut, groundnut, Indian potato |
| Apium graveolens var. dulce | Celery |
| Apium graveolens var. dulce 'Victoria' | Celery |
| Apium graveolens var. rapaceum 'Alabaster' | Celeriac, Turnip-rooted celery |
| Aponogeton distachyos | Cape-pondweed |
| Aquilegia | Columbine, Granny's bonnet |
| Aquilegia 'EarlybirdTM Purple Blue' | Columbine |
| Aquilegia 'EarlybirdTM Red Yellow' | Columbine |
| Aquilegia alpina | Columbine |
| Aquilegia bertolonii | Columbine |
| Aquilegia canadensis | Red columbine |
| Aquilegia chrysantha | Columbine |
| Aquilegia chrysantha 'Yellow Queen' | Columbine |
| Aquilegia flabellata 'Georgia' (State series Series) | Columbine |
| Aquilegia fragrans | Columbine |
| Aquilegia scopulorum | Columbine |
| Aquilegia vulgaris | Granny's bonnet, Columbine, common columnbine |
| Aquilegia vulgaris 'Adelaide Addison' | Columbine |
| Aquilegia vulgaris 'Bluebird' (Songbird series Series) | Columbine |
| Aquilegia vulgaris 'Goldfinch' (Songbird series Series) | Columbine |
| Aquilegia vulgaris 'Magpie' | Columbine |
| Aquilegia vulgaris 'Nivea' | Columbine |
| Aquilegia vulgaris 'Robin' (Songbird series Series) | Columbine, Aquilegia |
| Aquilegia vulgaris var. stellata | Columbine |
| Aquilegia vulgaris var. stellata 'Blue Barlow' (Barlow series Series) | Columbine, Aquilegia |
| Aquilegia vulgaris var. stellata 'Nora Barlow' (Barlow series Series) | Aquilegia, Columbine |
| Aquilegia vulgaris var. stellata 'Ruby Port' | Columbine |
| Arabis glabra | Tower mustard |
| Arabis scabra | Bristol rock-cress |
| Arachis hypogaea | Peanut, Groundnut, Monkey Nut |
| Araucaria araucana | Monkey Puzzle, Chilean Pine |
| Arbutus | Strawberry tree |
| Arbutus unedo | Strawberry tree, Cane apple |
| Arbutus x andrachnoides | Strawberry Tree, Hybrid Strawberry Tree |
| Arctotis | African daisy |
| Arctotis 'Flame' | African daisy |
| Arctotis 'Red Devil' | African daisy |
| Argyranthemum | Marguerite |
| Argyranthemum frutescens | Marguerite, Paris daisy, Margauerite daisy |
| Arisarum proboscideuim | Mouse tail plant |
| Aristea ecklonii | Blue corn lily |
| Armeria formosa | Great thrift |
| Armeria juniperifolia | Thrift |
| Armeria maritima | Sea thrift |
| Armeria pseudarmeria | Great thrift |
| Armoracia | Horseradish |
| Armoracia rusticana | Horseradish |
| Aronia melanocarpa | Chokeberry |
| Aronia melanocarpa 'Autumn Magic' | Chokeberry |
| Arrhenatherum elatius | False oat grass |
| Artemisia | Wormwood |
| Artemisia abrotanum | Southernwood, Sagebrush |
| Artemisia absinthium | Wormwood |
| Artemisia absinthium 'Lambrook Silver' | Wormwood |
| Artemisia borealis | Old lady |
| Artemisia dracunculus var. sativa | French tarragon |
| Artemisia ludoviciana | Artemisia, Western mugwort |
| Artemisia ludoviciana 'Valerie Finnis' | Western mugwort |
| Artemisia pontica | Old Warrior |
| Artemisia vulgaris | Mugwort |
| Arum italicum | Italian Lords and Ladies, Cuckoo pint |
| Arum italicum subsp. italicum 'Marmoratum' | Lords and Ladies, Cuckoo pint |
| Arum maculatum | Lords and Ladies, Jack in the pulpit, Cuckoo Pint |
| Aruncus dioicus | Goat's beard |
| Arundinaria 'Gauntlettii' | Bamboo |
| Arundinaria gauntlettii | Bamboo |
| Arundinaria japonica | Bamboo |
| Arundinaria pumila | Bamboo |
| Arundo donax | Giant reed, Spanish reed |
| Asarum europaeum | Wild ginger |
| Asclepias syriaca | Milkweed, Common milkweed |
| Asclepias tuberosa | Pleurisy root, Butterfly weed |
| Asparagus officinalis | Asparagus |
| Asparagus officinalis 'Ariane' | Asparagus |
| Asparagus officinalis 'Blacklim' | Asparagus |
| Asparagus officinalis 'Connovers Colossal' | Asparagus |
| Asparagus officinalis 'Jersey Giant' | Asparagus |
| Asparagus officinalis 'Millennium' | Asparagus |
| Asparagus officinalis 'Pacific 2000' | Asparagus |
| Asparagus officinalis 'Purple Pacific' | Asparagus |
| Asperula odorata | Sweet woodruff, Yew |
| Asperula tinctoria | Dyers woodruff |
| Asphodeline lutea | King's Spear |
| Asphodelus albus | White asphodel |
| Aspidistra elatior | Cast-iron Plant |
| Asplenium | Spleenwort |
| Asplenium nidus | Bird's nest fern |
| Asplenium scolopendrium | Hart's Tongue Fern |
| Asplenium trichomanes | Maidenhair spleenwort |
| Astelia chathamica 'Silver Spear' | Silver Spear |
| Aster | Michaelmas daisy, Aster |
| Aster 'Giant Princess Azure Blue' | Aster |
| Aster 'Giants of California' | Aster |
| Aster 'Lady in Blue' | Aster |
| Aster 'Single Giant' | Aster |
| Aster 'Starlight' | Dwarf aster |
| Aster amellus 'Brilliant' | Italian aster |
| Aster amellus 'Veilchenkonigin' | Italian aster |
| Aster cordifolius | Aster |
| Aster cordifolius 'Little Carlow' | Aster |
| Aster divaricatus | Wood aster |
| Aster ericoides | American heath aster |
| Aster ericoides 'Ester' | Aster |
| Aster lateriflorus 'Horizontalis' | Aster |
| Aster novae-angliae 'Lou Williams' | Aster |
| Aster novae-angliae 'Purple Dome' | Aster |
| Aster novi-belgii | Michaelmas daisy, Aster, New York aster |
| Aster novi-belgii 'Ada Ballard' | Aster |
| Aster novi-belgii 'Carnival' | Aster |
| Aster novi-belgii 'Crimson Brocade' | Aster |
| Aster novi-belgii 'Eventide' | Aster |
| Aster novi-belgii 'Fellowship' | Aster |
| Aster novi-belgii 'Lady Frances' | Aster |
| Aster novi-belgii 'Marie Ballard' | Aster |
| Aster novi-belgii 'Rose Bonnet' | Aster |
| Aster novi-belgii 'Winston S Churchill' | Aster |
| Aster x frikartii 'Mönch' | Michaelmas daisy |
| Aster x frikartii 'Wunder von Stäfa' | Michaelmas daisy, Aster |
| Astilbe | Astilbe |
| Astilbe 'Fanal' | Astilbe |
| Astilbe chinensis | Chinese Astilbe, Goat's Beard |
| Astrantia | Hattie's pincushion, Masterwort |
| Astrantia major 'Alba' | Hattie's pincushion, Masterwort |
| Astrantia major 'Claret' | Hattie's pincushion, Masterwort |
| Astrantia major 'Primadonna' | Hattie's pincushion, Masterwort |
| Astrantia major 'Roma' PBR | Astrantia |
| Astrantia major 'Rosensinfonie' | Hattie's pincushion, Masterwort |
| Astrantia major subsp. involucrata 'Shaggy' | Masterwort |
| Astrantia maxima | Masterwort |
| Athyrium filix-femina | Lady fern |
| Athyrium niponicum var. pictum | Japanese painted fern |
| Atriplex halimus | Grey sage brush |
| Atriplex hortensis | Gold orache |
| Atriplex hortensis var. rubra | Red orache |
| Atropa bennadolla | Deadly nightshade, Belladonna, Naughty Man's Cherries |
| Aubrieta | Aubretia, Rock cress, Aubrieta, Aubrietia |
| Aubrieta 'Argenteovariegata' AGM | Aubretia, Rock cress, Aubrieta, Aubrietia |
| Aubrieta 'Barker’s Double' | Aubretia, Rock cress, Aubrieta, Aubrietia |
| Aubrieta 'Elsa Lancaster' | Aubretia, Rock cress, Aubrieta, Aubrietia |
| Aubrieta deltoidea | Aubretia, Rock cress, Aubrieta, Aubrietia |
| Aubrieta Large flowered hybrids | Aubretia, Rock cress, Aubrieta, Aubrietia |
| Aucuba japonica | Japanese spotted laurel, Spotted laurel |
| Aucuba japonica 'Rozannie' | Japanese laurel |
| Aucuba japonica 'Variegata' | Variegated Japanese laurel |
| Aurinia saxatilis | Golden Alyssum, rock madwort, golden tuft, gold basket, basket of gold |
| Avena barbata | Slender wild oat |
| Avena fatua | Wild oat |
| Avena sativa | Oat |
| Avena sterilis | Winter wild oat |
| Avena strigosa | Bristle oat |
| Azalea 'Bodnant Red' | Azalea |
| Azalea 'Curlew' | Azalea |
| Azalea japonica | Japanese azalea |
| Azara microphylla | Boxleaf azara |
