See this page: Index A Part 1 for advice on How to Grow Abies alba, Abies concolor, Abies koreana, Abies nordmanniana, Acacia melanoxylon, acaena microphylla, acanthus hungaricus, Acer griseum, Acer negundo, Acer palmatum Atropurpureum, Acer palmatum Dissectum, achillea millefolium, aconitum napellus, Actinidia kolomikta, Aegopodium podagraria, Aesculus hippocastanum, Agapanthus africanus, Agave americana, Agave attenuata, Agave parryi, Agave victoriae reginae, Ageratum houstonianum, Aglaonema commutatum, Aglaonema modestum, Ailanthus altissima, Ajania pacifica, Ajuga genevensis, Ajuga reptans, Ajuga reptans Atropurpurea, Ajuga reptans Burgundy Glow, Akebia quinata, Albizia julibrissin, Albizia lebbeck, Albizia saman, Alcea rosea, Alchemilla alpina, Alchemilla erythropoda, Alchemilla mollis, Aleurites moluccana, Allamanda cathartica.