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Anonymous added on June 14, 2015 | Answered

I planted my gladiola bulbs about ten weeks ago and they are about 2-3 feet high now, but still no sign of flowers. How long does it take for the flowers to appear? Maybe I did something wrong.

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Answered on June 15, 2015

Typically, unless they are still relatively young, the plants should bloom shortly (within a few weeks) of reaching their mature height. It could be that there is a nutrient imbalance in the soil - likely too much nitrogen, which results in plenty of foliage growth, and too little phosphorus, which is necessary for blooming. You can remedy this by using a high phosphorus fertilizer (bloom booster) or by adding bone meal to the soil around your plants. Here is more information: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/phosphorus-plant-growth.htm

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