Cutflower Nomenclature

Scientific/Botanical Name

Genus: Helianthus

Specie: H. Annuus

Variety/Cultivar: over 70 varieties

English Name:

Sunflower

Common Name

Sunflower

Botanical Family

Name in Latin: Asteraceae

Name in English: Aster

The Plant

Origin: Native to North America sunflower was first domesticated in Mesoamerica, present day Mexico, by at least 2600 BC.

Growth Habit: from seed, annual erect broad leafed plant with strong tap root and prolific lateral spread of surface roots

Flower: usually single head ( the head is not a single flower but made up of one to two thousand individual flowers joined by a common receptacle : yellow, orange red, brown and cream.

Blooming Period: available as import year round, Vancouver local June thru October

Leaf: deltoid, triangular, broad coarsely toothed, rough. Leaves follow (phototropic) the sun (not the flowers)

Usage:

Excellent for focal point in design. Large heads require extra support, armature, or mechanics.

Care and Handling

Lasting Quality: 7-10 days

Amount of water: fill vase

Nutrition: floral preservative

Special handling: condition immediately, remove most leaves, shipped flowers may need head support during conditioning, avoid heat, direct sunlight, and drafts.

Special feature/remarks:

Excellent example of Fibonacci