Description
Mont Blanc Lavatera Seeds 5580.
Bushy, Multi-Branched Heirloom Featuring Luminous Pure White Hibiscus-Like Blooms.
Mont Blanc Lavatera (Lavatera trimestris), also known as Annual Mallow or Rose Mallow, is an elegant heirloom annual prized for its grand floral display and cool-weather resilience. Reaching a mature height of 60 to 90 cm with a matching spread, these bushy, multi-branched plants are covered all summer and well into autumn with shimmering, pure white blossoms measuring up to 7 cm across. Resembling delicate tropical hibiscus, the satin-textured white blooms stand out brilliantly in garden beds, white-themed gardens, cottage borders, and large container displays. Thriving in cooler growing conditions, Mont Blanc provides reliable, elegant colour throughout Canadian landscapes.
Quick Seed Details
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Product Code: 5580
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Botanical Name: Lavatera trimestris ‘Mont Blanc’
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Type: Heirloom Annual (Tender Perennial in Zone 6+)
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Height: 60–90 cm
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Plant Spacing: Thin or space to at least 30 cm apart
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Light Requirement: Full Sun (Tolerates Partial Shade)
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Soil Preference: Average, well-draining garden soil
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Germination: Approx. 7 days
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Seed Depth: 3 mm deep
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Seed Count: Approx. 50 seeds per packet (115 seeds per gram)
What you need to know to Plant & Grow
Lavatera roots form extensive networks once established, so care should be taken to minimize root disturbance during transplanting, or seeds can be sown directly outdoors.
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Direct Sowing (Recommended): Direct sow seeds outdoors in early to mid-May once soil is workable. Sow seeds 3 mm deep and water gently. Thin emerging seedlings to at least 30 cm apart to give the branching plants room to mature.
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Indoor Starting: Start seeds indoors 6 weeks before your last expected spring frost date using individual peat pots or cell packs to lessen root shock during planting out.
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Germination Conditions: Maintain a soil temperature of 21°C for the 7-day germination period.
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Growing On & Transplanting: Once sprouted, grow seedlings under lights at a cooler temperature of 15°C. Harden off gradually and transplant outdoors in late May after frost danger has passed.
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Continuous Blooms: Prefers full sun and excels in cooler weather. Because warm summer temperatures accelerate the blooming cycle, successive sowings every two weeks in spring will ensure a non-stop succession of fresh blossoms well into fall.
Why Mont Blanc Lavatera Seeds belong in Your Garden
If you want breathtaking cottage-style elegance with large, crisp white blossoms that thrive in cooler summer weather, Mont Blanc Lavatera is an essential selection. Its quick germination, bushy branching habit, and luminous bloom performance make it an indispensable heirloom for Canadian flower beds and cut-flower gardens.
