Passiflora Silly Cow® and Duuk®

Passiflora Silly Cow® and Duuk®

The Passiflora has long been one of the big favourites. Unfortunately, most of these are not very winter hardy. The Passiflora Duuk is the most winter hardy Passiflora we have come across so far. The Silly Cow is also a special variety. This Passionflower has the largest flower that we have ever seen; enough reason for us to add these two Passifloras to our ‘Our Choice’ assortment.

How do I care for my Passiflora?
The passion flower is not a difficult plant to grow and is relatively resistant to common plant diseases. It grows quickly and is not very demanding regarding soil and fertilizers. It is best to plant Passiflora in a sunny spot. The plant flowers more when in the sun then when in the shade. Don’t be afraid to give the Passiflora a good pruning when it grows too big and too wild. It is a strong and fast growing plant that will not suffer from this. If this tropical climber happens to die off after a long period of frost, you can cut it right back down to the ground. It is highly likely that the Passiflora will grow back from its roots in the spring.

When will my Passiflora produce its flowers?
The passion flower is a true nice-weather-bloomer. On warm days with a lot of sun its flower buds will open up. On colder and dark days, fewer flowers will open up. From July to October, you can expect flowers in your Passiflora, bringing the tropics right into your own backyard!

How many should I plant per metre of trellis, fence or wall?
The Passiflora is a fast growing plant. Two plants per trellis metre should cover your fence or wall quite well by the end of the season.
Where does the name Passiflora come from?
According to the records, the Spanish missionaries used passion flowers to illustrate the crucifixion story of Jesus Christ. When they discovered Passion flowers in America in the sixteenth century, they saw reference to ten of the twelve apostles (except Peter and Judas) in the five sepals and five central petals in the Passiflora flowers. To them, the three pistils resembled the nails by which Jesus Christ was nailed on the cross. The corona looked like the Crown of thorns worn by Christ. Its winding tendrils resembled a whip. The three outer leaves represented the three Maria’s (Jesus’ mother, Mary of Bethany and Mary Magdalene) at the cross. The blue colour of the flower was said to refer to heaven or to Maria’s blue robe.
  • Winter hardiness:
    Mostly average, ours reasonable

  • Soil type:
    Well-draining

  • Moisture levels:
    Normal, but not too wet

  • Location:
    Semi-shade/full sun

  • Height:
    To four metres, depending on pruning

  • Evergreen or deciduous:
    The Passiflora is semi-evergreen. The Passiflora will shed its leaves in heavy winters or porlonged droughts

  • Pruning:
    Heavy pruning to keep it compact. Cut right back after frost damage

  • Fertilizing:
    Calcium in autumn, optional NPK fertilizer in spring

  • Flower:
    Unique flowers of various colours

  • Flowering period:
    July – October. The more sun, the more flowers it will produce

  • Trivia:
    In the Netherlands it is also possible to grow your own edible passion fruit. Passiflora Edulis is the best variety for this. To ensure optimum ripening of the fruits, it is best to grow the plants in a glasshouse.

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