We have a passionfruit vine. The first year it flowered but had no
fruit, the next 2 years there were not even flowers.
The leaves look very healthy dark green, 3 deep lobed. The vine grows
very quickly and needs trimming each week but does not flower.
Any ideas ?
Thanks in advance.
They are heavy feeders and I've had good results with high potassium
(high middle number) fertilizers, like 15-30-15 or 6-12-6. Too much
nitrogen and most plants produce leaves and little flower and fruit.
To avoid a monthly feeding, last summer I used fruit tree fertilizer
stakes on the two half barrel pots I have and they did well. I forgot
the exact content of the stakes, it wasn't a 1-2-1 fertilizer, but the
potassium was higher than nitrogen and potash was a bit lower.
Anyway, I guessed at four fruit tree stakes to the half barrel pot and
it wasn't too much, in fact the plants seemed to like it. I plan a
repeat next March.
I never trim the vine. I raise them as larvae feed for the gulf
fritillary and a few variegated fritillary butterfly larvae, they eat
the leaves, flower and fruit.
Hal Zone 8 Middle Georgia
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