Blue Mammoth Plantain Lily is a bold, oversized hosta prized for its impressive foliage and lush garden presence. This very large mounding cultivar features deeply corrugated blue-green leaves that create rich texture and striking contrast in shaded landscapes. In mid-summer, elegant near-white blooms rise above the foliage on tall stems, adding softness and seasonal interest from mid-June through mid-July. Reaching approximately 85 cm in foliage height with flower scapes up to 90 cm tall, Blue Mammoth forms a dramatic statement planting with massive leaves measuring up to 40 cm by 30 cm. Ideal for shade gardens, woodland borders, and large landscape plantings.
Hostas thrive in partial to full shade, although some varieties can tolerate more sun. Plant them in well-draining soil enriched with organic matter. Water the plants deeply and regularly, keeping the soil consistently moist but not waterlogged. Mulching around the base of the plants helps retain moisture and suppress weeds. Fertilize the hostas in early spring and midsummer with a balanced slow-release fertilizer to promote healthy growth and vibrant foliage.
