Ananas comosus (L.) Merr.
Ananas comosus, commonly known as pineapple, is a perennial.
Ananas comosus was already described and the name validly published by Carl Linnaeus. It was Elmer Drew Merrill, however, who reclassified it into todays valid botanical systematics in 1917.
The perennials reach heights of 80 to 100 centimetres, the main growing season is in spring and summer. They have a vase-like habit and are comparatively slow-growing.
Ananas comosus is evergreen. The green, simple leaves are basal. They are linear, spiny and sessile. The foliage is dense.
Flowers and Fruits
Ananas comosus produces spikes of reddish purple flowers from June to August.
All year round the perennials produce an abundance of orange berries that are both edible and very ornamental.
Ananas comosus is native to : garden origin.
The perennials prefer a sunny situation on moderately moist soil. The substrate should be sandy-loamy and comparatively rich with a pH between 4 and 6. The plants need a soil depth of at least 61 centimetres for good growth. They tolerate temperatures only above at least 1Â°C (USDA zone 10) and need a frost-free period of at least 52 weeks.
Tolerance of special soil conditions
- low: anaerobic soil
- medium: soil salinity, drought
The ornamental value of Ananas comosus lies especially in the attractive autumn aspect. The recommended planting distance is 1,2 to 1,5 metres.
Maintenance and Propagation
The plants can be considered rather high-maintenance.
Pests and Diseases
- Walter Erhardt, Erich GÃ¶tz, Nils BÃ¶deker, Siegmund Seybold: Der groÃe Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
- Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.