· growing pineapples can take a significant amount of time; The leaves, core, and trunk are too tough for consumption without heavy processing. The ultimate harvest time is highly variable and depends on the initial planting material selected, horticultural practices, and. The overall timeline from planting to harvest is notably long , typically spanning between 18 and 36 months. It takes on average about 18 months to three years to produce edible fruit from seeds, seedlings, or from the crown of a pineapple. · how long does it take to grow a pineapple? The pineapple fruit is the only edible part of the plant. · set the dried pineapple crown in a glass of water and place it in indirect light to grow roots. If you live in usda zone 9 or higher, you can grow pineapple in the garden. The pineapple , scientifically known as ananas comosus, is a tropical perennial plant that produces a single, large fruit from a dense rosette of waxy leaves. · if you are planning on growing pineapples , patience is the name of the game – it can take three years or more for a pineapple plant to produce fruit. Plant the crown in well-draining soil once the roots are about 3 inches (7 cm) long. How does a pineapple plant grow? Growing from suckers or slips is faster. From seed, it may take several years, while growing from a crown or pups takes 18 months to three years. · it takes almost three years for the fruit to form. Ensuring adequate light and proper temperatures is crucial for growing pineapples successfully indoors. How long does it take a pineapple to ripen? How big can a pineapple plant grow? Pineapple plants can grow up to three to six feet tall and wide. This process depends on your growing method, climate, and care. · on average, it takes 18 to 24 months for a pineapple plant to grow and produce its first fruit. If you grow it from the top (crown) of a store-bought pineapple, it takes longer. However, once you’ve got a few healthy pineapple plants, harvesting fruit every year is possible.