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Bring bold color and long-lasting beauty to your garden with Calandrinia Grandiflora Seeds, commonly known as Rock Purslane. This stunning, drought-tolerant flowering plant is cherished for its brilliant magenta-to-purple blooms and succulent-like foliage. Perfect for rock gardens, borders, containers, dry landscapes, and water-wise gardening, Rock Purslane offers months of non-stop color with minimal care.
These high-quality, non-GMO seeds are perfect for gardeners seeking low-maintenance plants that thrive in sunlight and heat while providing vibrant visual interest throughout the growing season.
Produces vibrant magenta or purple blooms
Drought-tolerant once established
Ideal for rock gardens, borders, containers, and xeriscapes
Long-lasting flowering season
High-quality, non-GMO seeds
Hardy and heat-tolerant
Easy to grow and suitable for beginners
Botanical Name: Calandrinia grandiflora
Common Name (US): Rock Purslane
Plant Type: Tender Perennial (often grown as annual)
Seed Type: High-Quality, Non-GMO
Flower Color: Magenta, purple-pink
Bloom Season: Late Spring, Summer, Early Fall
USDA Hardiness Zones: 8–11
Sun Exposure: Full Sun
Soil Requirements: Well-drained, sandy or rocky soil preferred
Plant Height: 12–24 inches
Spacing: 10–14 inches apart
Water Requirements: Low to moderate; thrives in dry conditions
Germination Time: 14–21 days
Temperature for Germination: 65–75°F
Growth Habit: Compact, mounded; succulent-like foliage
Uses: Rock gardens, borders, containers, dry landscaping
Special Notes: Excellent for water-wise and low-irrigation landscapes.
Start indoors 6–8 weeks before the last frost, or sow directly outdoors in warm climates.
Sow seeds on the surface of the soil; do not bury deeply.
Lightly press seeds into the soil.
Calandrinia seeds require light to germinate.
Provide bright sunlight or use grow lights.
Maintain 65–75°F for best germination.
Harden off seedlings before planting outdoors.
Choose sunny, well-drained locations.
Water lightly; allow soil to dry between waterings.
Avoid overwatering, as Rock Purslane prefers dry conditions.
Deadhead spent blooms to encourage continuous flowering.
Expect abundant blooms from late spring into early fall, especially in sunny, dry locations.
Excellent choice for drought-resistant or low-water gardens
Long blooming season with intense color
Thrives in heat and full sun
Low maintenance and easy for beginner gardeners
Ideal for ornamental landscaping and container gardening
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