Hi,
I have heard that with some flowers you want the soil to be on the poor side. But I am not sure if this applies to all flowers. I am going to be growing some sunflowers, marigolds, nasturtiums, impatiens, and chamomile.
What is recommended to grow in poor soil and what would benefit from some compost?
- PunkRotten
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- rainbowgardener
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A lot of mediterranean and desert flowers are adapted to lean, sandy, well draining soil, with not a lot of fertility. That includes most of the herbs and your chamomile.
I think the rest of what you named likes rich soil (though pretty much everything prefers well drained). The sunflowers are heavy feeders.
I think the rest of what you named likes rich soil (though pretty much everything prefers well drained). The sunflowers are heavy feeders.
- PunkRotten
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- rainbowgardener
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rainbowgardener wrote:
I think the rest of what you named likes rich soil (though pretty much everything prefers well drained). The sunflowers are heavy feeders.
Sunflowers are very much so on the heavy feeding on nitrogen. Even growing once in a area will depleat the soil's nitrogen. You will see yellowing on any plant that grows in that spot afterwards, including weeds.
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Nitrogen supports green, leafy growth. Phosphorous supports root growth and Potassium supports flowering and fruiting.
Too much Nitrogen can cause leafy growth at the expense of flowering. So if you are growing flowers you want to be sure that your soil or fertilizer is not high on N. Manure, especially fresh, contains more N than flowers will like.
Compost, in general, doesn't contain a whole lot of macro-nutrients. It increases your soil moisture holding ability and has a lot of micro-nutrients. So if you are planting flowers that like a dry or well drained soil, you will want to go light on compost.
Too much Nitrogen can cause leafy growth at the expense of flowering. So if you are growing flowers you want to be sure that your soil or fertilizer is not high on N. Manure, especially fresh, contains more N than flowers will like.
Compost, in general, doesn't contain a whole lot of macro-nutrients. It increases your soil moisture holding ability and has a lot of micro-nutrients. So if you are planting flowers that like a dry or well drained soil, you will want to go light on compost.