Scientific name: Centaurea cyanus
Common name: bachelor’s buttons, corn flower
Family name: Asteraceae
USDA Hardiness Zone: zone 2 -11
Mature height and spread: 1 – 3 feet height, 1 – 2 feet spread
Sun: full sun
Water Use: prefer dry condition, not wet site
Soil Requirement: Drier
Flower/cone/fruit description(s): blue flowers
Suitable uses: Cool weather annual that is easily grown in average, medium moisture, well-drained soils in full sun to light shade
Scientific name: Calamagrostis x acutiflorus ‘Karl Forster’
Common name: Karl Forster feather reed grass
Family name: Poaceae
USDA Hardiness Zone: zone 5 – 9
Mature height and spread: 1.5m tall
Sun: full sun
Water Use: medium to wet
Soil Requirement: medium to wet soil
Flower/cone/fruit description(s): purple flowers
Suitable uses: vertical layer, good looking against concrete wall, pay attention weedy grass establish in the crown
Scientific name: Helictotrichon sempervirens
Common name: blue oat grass
Family name: Poaceae
USDA Hardiness Zone: zone 4 – 8
Mature height and spread: 1m ~ 1.5m high
Sun: full sun
Water Use: dry to medium
Soil Requirement: dry to medium, well-drained soil
Flower/cone/fruit description(s): grey blue leaves, dead leaves don’t drop off, need to pull out
Suitable uses: Easily grown in average, dry to medium, well-drained soil in full sun
Scientific name: Helichrysum italicum
Common name: curry plant
Family name: Asteraceae
USDA Hardiness Zone:
Mature height and spread: 3-6 feet height, 1-3 feet spread
Sun: full sun
Water Use: well drainage, dry to medium
Soil Requirement: moisture, heat needed, near the ocean, anywhere in Vancouver downtown
Flower/cone/fruit description(s): yellow flowers
Suitable uses: beds, boarders
Scientific name: Iris latifolia
Common name: English iris
Family name: Iridaceae
Mature height and spread: 60cm tall
Sun: full sun
Water Use: moisture, well-drained
Soil Requirement: moisture, well-drained soil
Flower/cone/fruit description(s): good colour, 3-4 weeks flower, very tolerant
Suitable uses: perennial, to 60cm tall, with erect, narrowly lance-shaped leaves and violet, violet-blue or white flowers 8-10cm wide, each fall whitish at the base
Scientific name: Saliva superba
Common name: violet sage
Family name: Lamiaceae
USDA Hardiness Zone: zone 4 – 8
Mature height and spread: 1-2.5 feet height, 1-1.5 feet spread
Sun: full sun
Water Use: dry to medium
Soil Requirement: dry to medium, well-drained soil
Flower/cone/fruit description(s): purple/pink/dark blue/deep blue flower colours, odd smell, ground flower
Suitable uses: Easily grown in average, dry to medium, well-drained soil in full sun
Scientific name: Papaver orientalis
Common name: oriental poppy
Family name: Papaveraceae
USDA Hardiness Zone: zone 3 -8
Mature height and spread: 45 -60 cm height, 60-90 cm spread
Sun: Full sun
Water Use: average, regular, do not overwater
Soil Requirement: well-drained soil
Flower/cone/fruit description(s): short season, end of April produce big hairy leaves, July foliage die with no evidence
Scientific name: Kniphofia hybrid
Common name: torch lily
Family name: Xanthorrhoeaceae
USDA Hardiness Zone:
Mature height and spread: 30- 36 inches height, 18-24 inches spread
Sun: full sun
Water Use: good drainage
Soil Requirement: acidic, well-drained soil
Flower/cone/fruit description(s): gold/orange shades, red shades
Suitable uses: open full sun, hummingbird do like this plant
Scientific name: Gunnera manicata
Common name: giant gunnera
Family name: Gunneraceae
USDA Hardiness Zone: can not grow it above 100 meters high in Vancouver – too much cold and get damaged, zone 7-10
Mature height and spread: 1.5m long leave, 3m cross leave
Sun: part shade
Water Use: medium to wet
Soil Requirement: very moisture soil
Flower/cone/fruit description(s): bloom time is from June to July, reddish-green
Suitable uses: Best grown in fertile, humus-rich consistently moist to boggy soils in part shade
Scientific name: Primula Candelabra Hybrids
Common name: candelabra primrose
Family name: Primulaceae
USDA Hardiness Zone: zone 4 -9
Mature height and spread: 30-60 cm height
Sun: part shade
Water Use: average or moist
Soil Requirement: clay, acidic, well-drained
Flower/cone/fruit description(s): spring flowering, into early summer, 6-8 weeks in flower
