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Help! Why Are The Buds Falling Off My Datura Without Blooming?

Ask The Plant Expert: Help! I have a two-year-old Datura that is about 2 ft tall and very lush. However, all the buds have fallen off without blooming. Same thing happened to my angel trumpet this year. In this area, we have been bothered with stink bugs, and I was told to spray them with a solution of dish detergent and water. Stink bugs gone, but no flowers. -Mary

Datura In BloomFlower Shop Network Plant Expert Reply:


There are 3 things that can cause bloom drop in Datura: Low light, Not enough fertilizer and excessive heat.

Datura prefer full sun to grow and bloom properly, so check you light situation. If your plant doesn’t receive at least 5 hours of full sun a day the plant may need to be moved to a place with more sun.

During the growing season, Datura are heavy feeders. At our nursery, we give Datura a water-soluble fertilizer twice a week. Normally we use a balanced fertilizer, but you could use a fertilizer with a higher phosphorous content. This should encourage blooming.

As for excessive heat, there really isn’t much you can do for that. You can try to shield the plant excessive hot winds.

Also since Datura blooms on new growth, watch for anything that inhibits new growth such as insect damage or drought.  Keep your plant moist especially during the summer months.

I hope this information was helpful. Please let me know if I can help with anything else.


Help! My Gardenia’s Buds Keep Falling Off

Ask The Expert: Indoor gardenia care to prevent buds from falling off? – Rose

Flower Shop Network Plant Expert Reply: Rose,

There a few things that cause bud drop in gardenias: an insect problem, low humidity, root damage and rapid temperature change.

Insect problems – Your gardenia may have a insect called, thrips. This insect can be found in the bud itself. Take a fallen bud and open it up, do you see tiny, little crawling things? If so, you have thrips and will need a systemic insectide to get rid of them. Your local garden center will have this product.

Low humidity – Gardenias prefer a climate with moist air. If you live in a dry climate, or the air in your house is dry, you will nee to moisten the air by misting it with luke warm water every day or every other day. This doesn’t take the place of watering, this will be in addition to watering.

Root damage – This problem can occur if your have nematodes, or if you have recently transplanted the gardenia.

Rapid Temperature Change – Gardenias do not like rapid temperature changes. Make sure the plant is not in the direct path of a doorway or an air vent. These cause an air path that allows for rapid temperature changes. Also if you are delivering the gardenia, make sure the delivery van is as close to your shop temperature as possible.

Hope this information helps. Please let me know if I can help with anything else.