With 40 plus species and 2 dozen subspecies, this interesting and useful plant comes in a wide variety of sizes, appearances and shapes that have adapted to an impressive range of climates. All have long, sharp leaves and have flowers that form clusters at the end of a stalk. The stalk grows taller than the rest of the plant and stands out. Too much water can cause problems that lead to a lack of blooms.
1. Keep the plant outdoors only in USDA hardiness zones 4 to 9 depending on the species. Otherwise you will need to grow this plant indoors as too much moisture can lead to leaf-spotting fungi. Many species can handle cold winters but not wet winters. Where winters are wet, it is best to grow Yucca as an indoor only plant.
2. Plant your Yucca in soil that drains easily. To do this, you can mix regular potting soil with sand in equal parts.
3. Water once a month and let the soil stay dry the rest of the month.
4. Keep Your yucca in full sun year-round. Potted, indoor Yuccas need to be position near a window.
5. Cut the flower stalks at the base with gardening cutters once the bloom is over. Old stalks left on the plant may prevent future blooms.
Depending on the species, it can take several years for a Yucca to have its first bloom. When the plant is not damaged from too much moisture, it should bloom eventually. However, some species have a lifespan of 100 years or more and can take decades for one to have its first bloom.
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