Although they are simple enough to grow, figuring out peak pineapple harvest time can be a challenge. At maturity, pineapples are capable of blooming. If you want to learn more about how to plant pineapple, check out part 1 in the link below. The plant is taken care of. How To Grow In Water. Fortunately pineapples are quite adaptable and if you can grow a mango in your area, then you can grow a pineapple. Most plants mature in 2 to 3 years. Some pineapples are sold with the crown “drilled” from the top so the plant will not grow. You can also fertilize the pineapple plant with a soluble houseplant fertilizer once or twice a month during spring and summer.. How Do You Take Care of a Pineapple Plant? Growing Pineapple Plants. These seeds are small and black in appearance and are embedded in the flesh near the rind of a pineapple. Suckers (or pups) and slips grow up and fruit a lot quicker.You may have to wait for your first top grown plants to produce such offspring. Pineapples are slow growing plants. If you have municipal water that is chlorinated, let it sit in a container overnight to distill before using it. 2 - 4 weeks. That's because the pineapple plant is one of the few tropical fruits that are really well suited to growing in pots, and that means you can grow pineapple plants indoors. The apple gives off ethylene gas, which stimulates flowering of the pineapple. Put the cup in bright, indirect sunlight for about three weeks while the roots begin to grow. I am not sure why they do it. BUT - When growing a pineapple from the crown, there is a gotcha you need to consider. The pineapple plant is growing well, producing new leaves and maintains the nice fresh green color. Not only is growing pineapples ridiculously easy. If you are growing a pineapple from a pineapple top, Tropical Permaculture says pineapple tops take about 24 months to fruit and even a longer amount of time in cold climates. Basically, when the pineapple is mature, the individual “fruitlets” flatten and the peel begins to change color from green to yellow, starting at the bottom and moving to the top of the fruit. How Long Does it Take for Pineapple to Grow. When growing pineapple tops, you’ll need to provide at least six hours of bright light.Water your plant as needed, allowing it to dry out some between watering. Previous read: How to grow pineapple - PART 1 Pineapple Seeds. I hope it keeps this way in upcoming updates. Answer: The pineapple takes about 2 years or more to grow depends upon on many factors like climate. Many gardeners do it, swear by it, and it does work. The far more popular approach to growing a new pineapple plant is to grow them vegetatively. The pineapple Ananas comosus is … How to Grow a Pineapple FAQs. To root the top in water, fill a glass or bowl with fresh non-chlorinated water. The pineapple will have a bigger size stem, leaves, roots and will begin to produce flower and fruit. The soil looks ok. To encourage flowering, place a mature pineapple plant and an apple in a plastic bag for 3 or 4 days. Growing Pineapples (Ananas comosus). The flower will shown up and it will turns in to a fruit after. Growing pineapple plants is possible just about anywhere in the world. Be sure to change the water every couple of days. However, growing pineapple tops is a slow way to grow pineapples.Tops take at least 24 months to flower, and then it takes another six months for the fruit to mature. How Long Does it Take to Grow a Pineapple? These seeds are notoriously hard to germinate, sometimes taking 2 years or more to sprout, but it is possible to do so. The first method is to place the dried pineapple crown in a cup of water, so that only the stem is submerged.