Nasturtium Flowers Not Growing. Again give them another week of high temperatures and you can expect flowers to develop soon. Poor growing conditions a lack of water and infestations of aphids or whiteflies are the chief causes of yellowing dying nasturtium leaves.
Nasturtiums dont like extreme heat. Light soil with good drainage is ideal. In more northern areas nasturtiums may not begin to bloom until summer.
03062021 Nasturtium plants are easy to grow and may be climbing cascading or bushy.
03062021 Nasturtium plants are easy to grow and may be climbing cascading or bushy. You can grow nasturtiums in poor soil in a sunny or partly shaded area. They thrive in lean to average soil and fertilizer can cause them to put out more foliage and fewer flowers. Since theyre so low maintenance nasturtiums are excellent for growing in spots that need covering up or for those stark unloved parts of your garden.