Super Duplex Mixed Sweet William Seeds 6650
Super Duplex Mixed Sweet William Seeds 6650. Big, extra double flowers in reds, pinks, rose and whites with an old-fashioned charm. Selected by growers for a very high proportion of double to single flowers. Tall 40 cm (16"") plants are crammed with flowers that start appearing in early summer. Suitable for cold-frame sowing in April to early May. Often self-seeds. Needs adequate moisture to germinate. Biennial hardy to Zone 3.
How to Grow
800 seed/gram. Seed can be directly sown in the garden in a sunny spot in mid to late May for flowering in the following year. Seed can be started indoors in a soil-less mix 8 weeks before last frost. Sow seed 3 mm (1/8"") deep and keep at 21 C (70 F) for the 10-20 day germination period. After germination, grow on at a slightly cooler temperature before hardening off and transplanting outside to a sunny spot after the danger of frost has passed. Space plants 25 cm (10"") apart in the garden.
Additional information
| WEIGHT | N/A |
|---|---|
| DIMENSIONS | N/A |
| BLOOMING SEASON BEGINS |
Early Summer |
| LIFECYCLE |
Biennial |
| PROPAGATION |
Start Indoors or Sow Direct in Spring or Late Summer |
| DAYS TO EMERGENCE |
10 to 20 |
| LIGHT |
Full Sun |
| GROWTH HABIT |
Sturdy |
| HEIGHT |
Medium (30 to 45 cm)(12 to 18"") |
| FROST TOLERANCE |
Winter Hardy |
| DEGREE OF DIFFICULTY |
Easy |
| HERITAGE |
Introduced Species |
| FAMILY NAME |
Caryophyllaceae |
| LATIN |
Dianthus barbatus |
| SUGGESTED USES |
Border, Fragrance, Massing in sunny gardens |
"