Nasturtium Flower Growing Conditions. Light soil with good drainage is ideal. 08012015 Nasturtium Growing Conditions.
They grow best in reasonably poor well-drained soil. 08012015 Nasturtium Growing Conditions. Nasturtiums are very pest and disease resistant attracting pests and predator insects to draw them away from other plants and crops with little or no damage to the nasturtium itself.
Rich fertile soil or too much fertilizer results in lush foliage growth and few nasturtium flowers.
Not fussy about the soil type and does not like to be fertilized. Light soil with good drainage is ideal. The nasturtium flowers attract helpful pollinators like bees and hummingbirds. But they are not just trap crops for the bad pests.