This is a partial list of garden plants, plants that can be cultivated in gardens in North America, listed alphabetically by genus. A Abelia Abeliophyllum (white forsythia) Abelmoschus (okra) Abies (fir) Abroma Abromeitiella (obsolete) Abronia (sand verbena) Abrus Abutilon Acacia (wattle) Acaena Acalypha Acanthaceae Acanthodium Acantholimon Acanthopale Acanthophoenix Acanthus Acca Acer (maple) Achariaceae Achillea (yarrow) Achimenantha (hybrid genus) Achimenes Acinos (calamint) Aciphylla Acmena Acoelorrhaphe (saw palm) Acokanthera Aconitum (aconite, monkshood) Acorus Acradenia Acrocomia Actaea (baneberry) Actinidia (kiwifruit) Ada orchid genus Adansonia Adenandra Adenanthos Adenia Adenium Adenocarpus Adenophora Adenostoma Adiantum (maidenhair fern) Adlumia Adonis Adromischus Aechmea Aegopodium Aeonium Aerangis (an orchid genus) Aerides (an orchid genus) Aeschynanthus Aesculus Aethionema Afgekia Agapanthus Agapetes Agastache Agathis Agathosma Agave Ageratum Aglaia Aglaomorpha Aglaonema Agonis Agrimonia Agrostemma (corn cockle) Agrostis Aichryson Ailanthus (tree of heaven, etc.) Aiphanes Aira (hair grass) Ajania Ajuga (bugleweed) Akebia Alangium Alberta Albizia (silk tree) Albuca Alcea (hollyhock) Alchemilla Aldrovanda Aleurites × Aliceara (hybrid genus) Alisma (water plantain) Alkanna Allagoptera Allamanda Allium (onion) Allocasuarina Allosyncarpia Alloxylon Alluaudia Alnus (alder) Alocasia Aloe Aloinopsis Alonsoa Alopecurus (foxtail grass) Aloysia Alphitonia Alpinia (ginger lily) Alsobia Alstonia Alstroemeria Alternanthera Althaea Alyogyne Alyssum Alyxia Amaranthus Amarcrinum (hybrid genus) Amarygia (hybrid genus) Amaryllis Amberboa Amelanchier Amesiella Amherstia Amicia Ammi Ammobium Amorpha Amorphophallus Ampelopsis Amsonia Anacampseros Anacardium Anacyclus Anagallis (pimpernel) Ananas (pineapple) Anaphalis Anchusa Andersonia Andira Androlepis Andromeda Andropogon Androsace Anemone (windflower) Anemonella Anemonopsis Anemopaegma Anethum (dill) Angelica Angelonia Angiopteris Angophora Angraecum (an orchid genus) Anguloa (an orchid genus) Angulocaste (a hybrid orchid genus) Anigozanthos Anisacanthus Anisodontea Annona Anoda Anomatheca (See Freesia) Anopterus Anredera Antennaria Anthemis Anthericum Anthocleista Anthotroche Anthriscus Anthurium Anthyllis Antidesma Antigonon Antirrhinum (snapdragon) Apera Aphelandra Aphyllanthes Apium Apocynum Aponogeton Apophyllum Apodytes Aponogeton Aporocactus Aporoheliocereus (hybrid genus) Aprevalia Aptenia Aquilegia (columbine) Arabis (rock cress) Arachis Arachniodes Arachnis (scorpion orchid) (orchid genus) Araeococcus Araiostegia Aralia Araucaria (monkey-puzzle) Araujia Arbutus (madrone) Archidendron Archontophoenix (king palm) Arctium Arctostaphylos (bearberry, manzanita) Arctotheca Arctotis (African daisy) Ardisia Areca Arenaria (sandwort) Arenga Argemone (prickly poppy) Argyranthemum Argyreia Argyroderma Ariocarpus Arisaema Arisarum Aristea Aristolochia Aristotelia Armeria Armoracia Arnebia Arnica Aronia (chokeberry) Arrabidaea, see Bignonia magnifica Arrhenatherum (oat grass) Artanema Artabotrys Artemisia (mugwort, sagebrush, wormwood) Arthrocereus Arthropodium Artocarpus Arum Aruncus Arundina Arundinaria Arundo Asarina Asarum (wild ginger) Asclepias (milkweed, silkweed) × Ascocenda (hybrid genus) (an orchid genus) Ascocentrum an orchid genus Asimina Asparagus Asperula (woodruff) Asphodeline Asphodelus (asphodel) Aspidistra Asplenium Astelia Aster Asteranthera Astilbe Astilboides Astragalus (milk vetch) Astrantia Astrophytum Asystasia Atalaya Athamanta Atherosperma