Abelmoschus manihot 'Auntie Lilli's' is an edible salad bele tree with beautiful tri-coloured foliage and hibiscus-like flowers.

Abelmoschus manihot 'Chief Kubo's Prize' has deeply cut palmate leaves and hibiscus-like, light yellow flowers. Both are edible.

Abutilon megapotamicum will bloom constantly from spring until fall with bright yellow and red pendulous lanterns.

Abutilon pictum 'Thompsonii' is a flowering maple that produces masses of peach bells set off by the yellow-spotted foliage.

Abutilon vitifolium is a stunning zone 7 hardy flowering maple with large, open, 3 inch wide, lavender flowers.

The upright stems of Abutilon 'Biltmore Ballgown' are festooned with dangling two-inch orange bells streaked with scarlet throughout summer.

Abutilon 'Nabob' produces masses of large, rich red, pendulous lanterns from spring through fall.

The paperbark maple, Acer griseum, is a distinctive species with beautiful exfoliating bark and fall colour.

Acer 'Joe Witt' is an excellent snakebark maple with bold white, silver and green striations with red highlights that become more pronounced with time.

Achimenes 'Blue Sparks' is an orchid pansy related to the African violet with delicate white to lavender/blue tubular blooms.

Achimenes 'Cattleya' is an orchid pansy related to the African Violet with delicate violet-blue tubular blooms and lighter throats.

Achimenes 'Peach Blossom' is an orchid pansy related to the African Violet with delicate light pink tubular blooms and magenta throats.

Achimenes 'Snow Princess' is an orchid pansy related to the African Violet with delicate snow white blooms and tiny purple throats.

Achlys triphylla is a unique ground cover attractive to pollinators and hummingbirds. The dried three-part leaves smell like vanilla.

Peacock gladiolus (Acidanthera murielae) is topped in summer with large, white, fragrant flowers with purple-black centres.

Aconitum lamarckii (syn. pyrenaicum) is an unusual monkshood with long airy racemes of pale sulphur yellow tubular flowers.

Actinidia deliciosa 'Hayward' is the most commonly grown kiwi producing large, sweet fruit.

Actinidia deliciosa 'Jenny' is a self-fertile kiwi that produces fruit just like you find in the supermarket.

Actinidia deliciosa is a large, rampant, decidous vine that produces kiwifruit. 'Vincent' is an excellent cultivar.

Actinidia pilosula has luscious foliage that is burgundy when young and later deep green tipped with white.