Luc, the breeder of Paradise Seeds, is permanently working on feminised strains. A lot of precious and fruitful basic research on feminised seeds was done by Paradise Seeds in Switzerland several years ago. Back then, Paradise Seeds maintained huge breeding and production facilities in the Alp republic. The feminisation method used by Luc has proven to be highly reliable. Luc: “Our method is based on a scientific study on gender change in cannabis plants, dating back to the early eighties. Only if a specially selected female plant remains female even under stress, we will treat this plant in order to induce the production of stamina, the pollen of which is then used to fertilise appropriate sister plants. This method is called “selving”, and the result is feminised seeds that will produce uniform female plants. Under normal conditions, our feminised seeds will give you uniform and superior female plants and flowers. We believe they are much better than clones, as plants grown from seeds are stronger and more resilient.”

The Jacky White strain had previously been tested by infamous German grower Mr. Power Planter in its feminised form, fully convincing him with excellent 100% female plants, there were no signs of hermaphrodism or maleness at all. So he decided to put feminised White Berry seeds to the test as well.

As with all of his strains, Master Luc keeps the exact pedigrees of this strain a secret. So we can only speculate about the genetic source of White Berry’s “White” attribute… while one thing is for sure according to Luc – it’s not White Widow. Also because of White Berry’s short flowering time of 50 days, Mr. Power Planter was interested in this strain. However, there was very little space in his grow room at that time and he realised that he could cultivate only four White Berry plants in addition. The four seeds germinated well and Mr. Power Planter placed the seedlings into two litre pots filled with Plagron Standard Mix. They thrived well under two 115 watts MaxGrow Dual Spectrum lamps  and under a 400 watts Plantastar HPS respectively beginning from day 12. Then the plants were repotted again, this time into six litre pots. When Mr. Power Planter induced flowering by cutting down the light cycle from 18 to 12 hours, the four White Berry plants were moved under a 600 watts Osram NAV-T, sharing the cultivation area with several other plants. As stated by Paradise Seeds, their flowering reaction was very fast, indeed, with the first pre-flowers being visible after about a week. Their growth pattern also matched the breeder’s description, slender and medium in height, with a single-cola dominance. However, there were certain differences in height, one of the plants was about 25-30% taller than the other three.

During flowering, the upper foliage of the plants turned purple and red, giving them a remarkable beautiful look, all the more in combination with the tremendous layers of white resin that had built up during flowering. These four White Berry plants really deserved their “white” attribute, oozing with resin. In addition, the flower structure was impressively dense and tight, also exhibiting a high calyx-to-leaf ratio that would make harvest work very fast and comfortable. Their sweet and fruity berry perfume was a sheer pleasure to Mr. Power Planter’s nose. Once again, he couldn’t find any male flowering on the plants, they all turned out to be purely female. However, one has to concede that the rather small number of four plants was not that representative. With an end height of 65-85 centimetres, the plants had remained small and medium-sized, being easy to handle. Their yield was 24-30 grams, a very solid and satisfying result for plants grown from seed and cultivated on soil. Flowering lasted a little bit longer than stated by Paradise Seeds (50 days), but 50-55 days are clearly within the range of tolerance.