Growing Silver Princess Shasta Daisy Garden Seeds
- Taxonomy: Leucanthemum x superbum
- Seed Type: Perennial
- Sow Indoors or Outdoors: Start indoors 6 – 8 weeks prior to final frost date. Silver Princess seeds will germinate in 14 – 21 days. Once germinated, move to fluorescent grow light until two sets of true leaves have grown. Transplant seedlings to indoor pot and harden off if transplanting outside.
- Days to Maturity: 2nd year maturity
- Hardiness Zone: 5 – 8
- Planting Depth: 1/8"
- Plant Spacing: 18"
- Growth Habit: Tidy 12” tall bushy upright 18” wide and bursting in classic 3” daisy blooms.
- Soil Preference: Average, medium-moisture, well-drained
- Light Preference: Full sun – partial shade
- Diseases/Pests/Troubleshooting: Avoid overhead watering and water soil directly to minimize wetting foliage. Silver Princess shasta daisy can be susceptible to verticillium wilt, leaf spots, and stem rot. Cut back spent foliage, leaves, and blooms after flowering to prolong vitality into summer.
- Color: Classic white daisy petals around a yellow center
Start shasta daisy Silver Princess seeds indoors 6 – 8 weeks before final frost date. Silver Princess seeds will germinate in 14 – 21 days. Once germinated, move to fluorescent grow light for 16 hours of light per day until two sets of true leaves have developed. Transplant Silver Princess seedlings to indoor pot and harden off if transplanting outside. For direct sowing, plant shasta daisy Silver Princess seeds 1/8” deep and 18” apart in average, medium-dry, and well-drained soil in full sun after the final frost. Avoid overhead watering and water soil directly to minimize wetting foliage. Shasta daisies can be susceptible to verticillium wilt, leaf spots, and stem rot. Cut back spent foliage, leaves, and blooms after flowering to prolong vitality into summer. Silver Princess shasta daisies have no serious pests or diseases, but monitor regularly for aphids. Shasta daisy Silver Princess seeds are perennials that mature in their 2nd year as 12” tall compact shrubs with an 18” spread covered in classic white 3” daisy blooms.
Shasta daisy is a hybrid selectively crossed and bred in 1890 by pioneering American horticulturist Luther Burbank. Burbank worked out of Sonoma County in California and named his new strain of white-petaled daisies in homage to the snow-capped peak of nearby Mount Shasta.