Seeds – Cosmos, Diablo (F) Fruition

Latin Name: Cosmos sulphureus
Alternative Names: Also know as Keniker, an Indonesian herb and edible flower.
Main Uses: Ornamental, culinary

Zone Hardiness: Annual (reseeding)
Exposure: Full sun
Height: 90 – 120 cm (36 – 48 inches)
Flower Color: orange-red petals
Flowering Time: July to August

Certified Organic: USDA Certified Organic

Germination: 7 – 10 days at 21ºC.
Indoors: 2 seeds per plug 2 – 4 weeks before last frost date.
Planting out: Plant in loose, fertile soil once all chance of frost has passed.
Direct Seeding: Once the risk of frost has passed and the soil is at least 18ºC.
Planting depth: 1/4 “
Spacing: Sow seeds every 3” and thin to 9 – 12”. Space rows 18” apart.

Growing in Containers: Grows very well in larger containers and raised beds.

Growing in Mixed Planters: Well-suited for larger mixed planters.

Fertilizing (Containers): Plant in a quality, well-draining organic-based potting mix. Feed regularly with organic fertilizer. An organic bloom-booster fertilizer at the first onset of buds will encourage larger blooms and more abundant flowering.

Watering (Containers): Water containers deeply when top inch feels dry to the touch. Monitor pots every day or two during very hot weather.

Fertilizing (Garden): Plant in average garden soil, amended with compost on an annual basis. No additional fertilizing required. Cosmos have fairly low fertility requirements.

Watering (Garden): Water deeply to establish. Water mature plants weekly during hot weather.

Beneficials Attracted to this Plant: Lacewings, hoverflies, and parasitic wasps are all very active pest controls, and are attracted by this type of Cosmos!

Notes: Deadhead flowers to ensure constant blooms. Encourage cosmos to reseed year to year by letting flowers go to seed and leaving heads on plants.

Suitability for Indoors: Not suited for indoors.