Crossandra Seeds,orange Marmalade -Firecracker Flower- Very Rare Tropical Plant Crossandra Seeds,Orange Marmalade -Firecracker Flower- Very Rare Tropical Plant Crossandra (Crossandra Infundibuliformis Tropic Flame) - Start some Crossandra flower seeds and bring a "bang" of color to your landscape or your home. Known as the Firecracker Flower or Kanakambaram, this flowering house plant is easy to grow, loves heat and humidity, and does well in partial shade. It is native to India and Sri Lanka, and features clusters of tubular flowers and glossy textured, oval leaves. Crossandra care includes keeping the soil moist and applying a balanced fertilizer every month, spring through fall. For indoor use, mist the leaves regularly. Start Crossandra seeds indoors at any time. Very lightly cover the flowers seeds with a sprinkling of soil. Maintain warm temperatures for best germination. Blooms can appear 4 months after sowing. Treat as an annual or a container plant in areas with frosts. Bring container indoors, and the Firecracker plant will brighten up your interior during the winter months.