Information for Helianthus laetiflorus

Approximately 140.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.

Helianthus laetiflorus - 0.16  gram for 8 Euros
Helianthus laetiflorus - 0.32  gram for 10 Euros
Helianthus laetiflorus - 0.63  gram for 13 Euros
Helianthus laetiflorus - 1  packet for 14 Euros
Helianthus laetiflorus - 1.25  gram for 19 Euros
Helianthus laetiflorus - 1  gram for 21 Euros
Helianthus laetiflorus - 2.50  gram for 32 Euros
Helianthus laetiflorus - 5  gram for 57 Euros
Helianthus laetiflorus - 10  gram for 107 Euros
Helianthus laetiflorus - 100  gram for 834 Euros

B and T World Seeds' reference number: 65755
USDA average, annual, minimum temperature Zone:4
Type of plant - perennial
Flower: bright YELLOW, capitulae 10cm. dia.
Fruit: cypsela
Foliage: lance.-ov., to 30cm. long back of border
Height in meters: 1.8-2.4

Synonyms (alternative names) for Helianthus laetiflorus: Helianthus rigidus, 

Common names for Helianthus laetiflorus: Showy Sunflower, 

Helianthus laetiflorus is included in the following B and T World Seeds flowering plant categories:
1:   Stock list
6:   Bulbous and Rhizomatous Plant Seed List
43:   Herbaceous Border Plant Seed List
44:   Cut flowers Commercial and other Recommended Varieties
87:   Natives of Central U.S.A.
161:   Edible Flowers
185:   Plant Species whose germination is improved by Smoke
246:  Asteraceae
708:  Compositae
719:   North American Native Ethnobotanicals
720:   Fire Resistant Plants

Germination guide
Helianthus laetiflorus seeds will usually germinate in 10-14 days. Sow seeds about 6mm deep in a Peaty seed sowing mix at about 20-30C.

Can be sown in situ.

SEED GERMINATION THEORY AND PRACTICE; by Professor Norman C. Deno
B & T World Seeds Route des Marchandes, Paguignan, 34210 Aigues-Vives, France
fax ++ 33 (0)4 68 91 30 39   phone ++ 33 (0)4 68 91 29 63   [email protected]