| Common name (English) | |
|---|---|
| Albizia julibrissin | Persian silk tree, mimosa |
| Albizia lebbeck | Broome raintree |
| Alcea rosea | Common hollyhock, garden hollyhock |
| Allium sativum | garlic |
| Allium tuberosum | Chinese chives |
| Allocasuarina verticillata | Drooping she-oak |
| Aloe arborescens | Cliff Aloe |
| Aloe vera | Aloe |
| Amaranthus emarginatus var. pseudogracilis | |
| Amaranthus powellii | |
| Amaranthus quitensis | Mucronate Amaranth |
| Anredera cordifolia | Madeira-vine; mignonette vine; Cordate-leaved Anredera |
| Araucaria heterophylla | Norfolk Island pine |
| Artemisia annua | Annual Mugwort |
| Arundo donax | Giant cane, giant reed, bamboo reed |
| Asclepias curassavica | Mexican butterfly weed, Ipecacuanha |
| Austrocylindropuntia subulata | Devil's Rope |
| Bassia scoparia | |
| Bauhinia variegata | Mountain ebony, Camel's foot |
| Betula pendula | European White Birch, Common Silver Birch, Common Birch |