Zinnia Oklahoma Seed Mix

The Oklahoma Mix zinnia is a compact variety producing an abundance of semi-double flowers in vibrant and varied colors. Highly floriferous and easy to grow, it is prized for its long summer bloom and high heat tolerance, and is also excellent as a cut flower.

2. Sowing

Difficulty level : Easy
Sowing method : Indoor sowing 4 to 6 weeks before the last frost (April in zones 5-6) or direct sowing outdoors after all risk of frost has passed (end of May)
Sowing technique : In pockets or in line
Sowing depth : ~ 5 mm
Germination time : 5 to 10 days
Germination temperature : 20 to 24 C

3. Culture

Ease of cultivation : Easy
Growing season : Warm season
Transplantation : Easy, after all risk of frost has passed
Plant spacing : ~ 20 to 30 cm between plants
Distance between rows : ~ 30 to 45 cm
Hardiness zone : Non-hardy annual plant
Light : Full sun
Soil type : Loose, fertile and well-drained soil
Soil pH : Slightly acidic to neutral
Soil moisture : Cool, well-drained soil
Soil fertility : Ordinary soil enriched with organic matter
Time before flowering : Approximately 7 to 9 weeks after sowing
Watering : Moderate, water at the base of the plant to limit disease
Other characteristics : Excellent heat tolerance; continuous flowering until the first frosts

4. Usage

Perfect for flower beds, borders and pots. The Oklahoma Mix zinnia is also an excellent cut flower, very long-lasting in bouquets.

5. Apprenticeship

Companion plants : Cosmos, marigold, sunflower, basil
Plant enemies : None known