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How to Grow Cobaea Scadens Flower Plants


Annual, Cobaea Scadens

Looking for a conversation piece to grow in your flower garden!? Grow Cobaea Scadens flowers! The attractive, bell-shaped flowers, look like a cup or saucer. The climbing vine looks best, when growing up from a trellis or a fence. Cobaea Scadens is a very decorative plant, with lush, green foliage. Native to Mexico and Peru, Cobaea Scadens was discovered in the 17th century, by Father Cobo, a Jesuit missionary.

Cobaea Scadens are tall climbers. Some varieties grow up to 33 feet tall, if over-wintered in warm areas where the temperatures do not go below 40 degrees. The plants are easy to grow,with little maintenance. They are usually grown as annuals, growing 4-6 feet or more. These climbers need something to climb on. Provide them with a trellis, fence or post, and watch them grow! Or, try growing them down off of a balcony or deck.

Cobaea Scadens flowers attract hummingbirds.

Other Names: The plants are also known as Cup and Saucer Vine, Cup and Saucer Flower, Cathedral Bells, Mexican Ivy.


Plant Propagation:

Cobaea Scadens plants are grown from seeds. They have a long germination period, taking 3-4 weeks to germinate. We strongly recommend an indoor start. In areas with a long growing season, the Cup and Saucer Vine can be directly seeded into your flower garden. If you start them outdoors, make sure to mark where they are planted, and keep well weeded, so you can spot them when they emerge.

Cobaea Scadens can also be  propagated from cuttings.

Transplant seedling plants into your garden, after the last frost date for your area. Space plants 8-10" apart. Provide something for them to grow on. The plants tolerate a little crowding. If growing in hanging planters, space them a little closer.


How to Grow Cobaea Scadens Plants:

Grow Cobaea Scadens plants in full sun. The plants tolerate a variety of soils, but rich soils, with ample amounts of organic matter, help to promote maximum growth. Soil should drain well. For optimal growth, use a general purpose fertilizer every 2-3 weeks. A month before the blooming period, switch to a fertilizer high in phosphorous to promote blooms.

 Keep the soil moist. Watering during during dry periods is important to sustain fast growth and big, bright blooms.

Plants bloom from late summer to fall.

Cobaea Scadens plants are annuals. They succumb to frost and freezes.


Insect and Disease:

Cobaea Scadens plants seldom have problems with insects and disease. Red spider mites are an occasional pest. If insect or disease problems occur, treat early with organic or chemical insect repellents and fungicide.




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