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

Acer palmatum 'Fireglow' is a heat-tolerant Japanese maple with pinkish-red leaves in spring becoming purple-red in fall.

Acer palmatum ‘Sango Kaku’ is the famous coral bark Japanese maple with fall, winter, and spring bark in shades of coral red and salmon.

Acer palmatum 'Twombly's Red Sentinel' is a columnar Japanese maple with red spring foliage to brilliant red with orange hues in the Fall.

Acer shirasawanum 'Moonrise' is a small deciduous tree with a full rounded canopy. Foliage is yellow-green with stunning red new growth.

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

Achillea ageratifolia is an unusual yarrow forming aromatic, silver-green, mounds covered in pure white daisies with light yellow centres.

The tall stems and purple-blue flowers of the monkshood Aconitum 'Arendsii' offer a substitute for Delphinium for shadier conditions.

Aconitum 'Spark's Variety' has four foot tall spikes of hooded, deep violet-blue monkshood flowers.

Acorus 'Minimus Aureus' forms a slowly-spreading groundcover of finely-textured, linear, golden foliage.

Actaea 'Brunette' great perennial with four foot spires of fragrant flowers above lush, ferny burgundy foliage. Great for sun to part shade.

Actinidia arguta '74-49' has exceptionally large fruit with delicious flavour and great produciton.

Actinidia arguta 'Anna' is one of the most popular cultivars for gardeners and commercial growers with very sweet and flavourful fruit. Produces 100+ pounds per year.

Actinidia arguta 'Chang Bai' was discovered in China near the border with North Korea. Its fruit is very sweet and resembles an apple in shape.