Q.Stars And Stripes Crinums Made Beautiful Flower Stalks And Then Died Before Blooming
We live in zone 10. Plants always look healthy. Never have blooms. Last year had LOTS of flower stalks. ALL died before blooming. Bulbs gave lots of space. Have propagated extensively.
Certified GKH Gardening Expert
I would look towards lack of moisture, very first! This is the cause, usually. These flowers prefer, consistently moist and well draining soil. After this, I would consider checking the pH of the soil, and nutrient level.
Here are some articles that will help:
https://www.gardeningknowhow.com/ornamental/bulbs/crinum-lily/crinum-lilies.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/making-sure-soil-drains-well.htm