7000 - Nasturtium, mix. An easy to grow, compact nasturtium for gardens and planters producing colorful double blooms of light yellow, orange and deep red. outdoors May 1st. -20th, after ground has become warm. Try to maintain a soil temp. of 70°F/21°C for best results. Seeds will rot in cold, wet soil. Plants should bloom in about 50 days from seed and do the best in poor ground. Rich or highly fertilized ground produces lots of leaves but few flowers! Thin seedlings to 8 in/20 cm apart.