Add some color and structure to your garden with our Rattlesnake Master Flowers Seed. This perennial is an easy-to-grow flower that’s sure to be an eye-catching addition to any outdoor area. The blooms attract butterflies and other pollinators and are drought and heat tolerant, making it a low-maintenance flower.
- Season: Perennial
- USDA Zones: 4 – 9
- Height: 28 inches
- Bloom Season: Summer to fall
- Bloom Color: Blue
- Environment: Full sun to partial shade
- Soil Type: Well-drained soils, pH 6.8 – 7.2
Planting Directions
Temperature: 64 to 72F for the first 2-4 weeks. After this period, the sowing must be kept at a cold temperature between 25 and 39F for another 4 – 6 weeks
- Average Germ Time: 28 – 56 days
- Light Required: No
- Depth: Surface sow seed and press tightly in to soil
- Sowing Rate: 4 – 5 seeds per plant
- Moisture: Keep seeds moist until germination
- Plant Spacing: 24 inches