Passiflora only blooms in the second year
First of all: Very young passion flowers usually do not bloom at all, unless you have acquired the annual Passiflora gracilis. So if you have just acquired a new Passiflora and are wondering about the lack of flowers: be patient! The best thing is to treat your plant to a new pot first, as the plant pot will probably be too small. Make sure, however, that the new plant pot is no larger than 20 to 30 centimeters in diameter, otherwise your passion flower will put more energy into growth and develop fewer flowers. Seedlings or cuttings will also bloom for the first time in the following year at the earliest, although vegetatively propagated passion flowers are usually faster in this regard.
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Resting phase stimulates flowering
For a profuse flowering, the Passiflora needs a period of at least two to three months of rest, which it spends in a bright but cool place. Skim with water, but you should never let the roots dry out. There is no fertilization at all during this time. With this resting phase you simulate the months of dryness that most Passiflora species have to survive in their home. Also keep in mind that many representatives of this very species-rich family of plants come from tropical or subtropical regions and are therefore not hardy.
Pruning is necessary for strong flowering
In addition, the flowers only develop on young, ie this year's, shoots of the Passiflora. For this reason, you have to shorten the long side shoots and, if necessary, the leading branches - leave only three to five eyes, from which new, flowering branches will develop. The pruning is best done in autumn, before you move the plant to its winter quarters.
Fertilize passion flowers regularly
Further reasons for the lack of bloom can also be a lack of water and / or nutrients. Passion flowers are one of the strong eaters, they need a lot of water and regular fertilization, especially in the flowering period between June and September. During the growing season you should provide the passiflora with a liquid universal or flowering plant fertilizer once a week.
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Make sure, however, that the fertilizer is not too rich in nitrogen, as nitrogen in turn makes the plant lazy. Above all, she will put the fresh energy into growth.
