Answer: Nasturtiums grow best in full sun, with afternoon shade where summers are hot. They will grow in poor to average, moist, well-drained, slightly acid soil.
If your plants bloom poorly, they may be getting too much fertilizer, which produces lots of foliage at the expense of flowers. Make sure the plants aren't getting too much food, but are getting full day sunshine.
Hope they bloom their little heads off for you!
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