Alstroemeria flowers are perennials also known by their common name, Peruvian lilies. There are approximately 30 species of alstroemeria flowers, all native to South America. The plants are hardy in U.S. Department of Agriculture Zones 7 to 10 and do well in the garden or in a container.
Description
Alstroemeria flowers have slender stems and medium to deep green foliage. The leaves are small with a drooping form that gives them the appearance of being slightly wilted. They grow from 1 to 4 feet tall, depending upon the variety. In late spring and early summer bloom clusters appear at the end of each stem. The intricate flowers are available in many colors, including red, white, orange, pink and purple.
Soil and Sun
Alstroemeria flowers prefer soil that is nutrient-rich, somewhat acidic and drains well. If growing the plants in a container, a mixture of equal parts perlite and composted bark material is ideal. In northern climates the flowers do well in a location that receives full sun. In regions with very hot summer weather they grow best in part or full shade.
Care and Maintenance
The soil of alstroemeria flowers should be kept moist at all times, but it's important not to add so much water that it feels soggy. Overwatering repeatedly may cause the roots to rot, so always check the soil before adding moisture. The plants are heavy feeders and will produce the most colorful and abundant blooms if fed with a high nitrogen fertilizer every other week. Faded flowers and damaged or dead foliage should be clipped off as it is noticed.
Invasive Potential
The tubers of alstroemeria flowers spread quickly and can take over large areas of the garden if not kept under control. These plants are also efficient self-seeders and can become a serious problem if wayward seedlings aren't removed. Regular digging of unwanted tubers is a time-consuming endeavor, but is an effective way to control spreading. Clipping faded flowers before they go to seed is also helpful. Growing the plants in containers is the most effective way to make sure that they don't overtake the garden.
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