

Boething Treeland Farms grows over 1,000 varieties of trees, shrubs, perennials and specialty plants on 9 California nurseries to serve the wholesale landscape and nursery industries throughout the Western United States and beyond.
Plant Type: Perennials / Shrubs
Evergreen-Deciduous: Evergreen
Overall Mature Size: Small
Also Grown As: Bush
Mature Height & Spread: 1-2' x 1-2'
Natural Growth Habit: Clumping, Dense
Native To: Australia, Cultivar
Exposure: Full Sun, Partial Shade
Water: Medium Water, Low Water
Flower Color: Blue
Bloom Time: Spring, Summer
Special Features: Attracts Birds/Butterflies/Bees / Cold Hardy / Colorful Foliage / Deer Resistant / Seacoast Conditions / Shade Tolerant
Container Sizes: #1, #3, #5
Sunset Garden Zones: 8, 9, 14-24
USDA Hardiness Zone: 7b-11
Dianella caerulea Cassa Blue™ is an evergreen, clumping Flax Lily featuring stiff, silver-blue foliage, spring flower spikes holding small, star-shaped, dark blue and violet flowers, and glossy, lilac to purple-blue spherical berries in summer. Uses include mass planting, borders, groundcover, containers, or rock garden. Excellent in seacoast landscapes. Medium water needs; drought-tolerant once established but performs best with regular moisture. Prefers well-drained loam, sandy, or clay soils. It tolerates full sun to partial shade. Deer-resistant. Verticillium wilt-resistant. Cold hardy to 24°F.
Dianella caerulea Cassa Blue™ is an evergreen, clumping Flax Lily featuring stiff, silver-blue foliage, spring flower spikes holding small, star-shaped, dark blue and violet flowers, and glossy, lilac to purple-blue spherical berries in summer. Uses include mass planting, borders, groundcover, containers, or rock garden. Excellent in seacoast landscapes. Medium water needs; drought-tolerant once established but performs best with regular moisture. Prefers well-drained loam, sandy, or clay soils. It tolerates full sun to partial shade. Deer-resistant. Verticillium wilt-resistant. Cold hardy to 24°F.