How to grow and care for Cape Primrose (Streptocarpus hybrida) Indoors

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Cape Primrose Care, Streptocarpus hybrida Care

Botanical name: Streptocarpus hybrida
Family: Gesneriaceae

Cape Primrose Description

Cape Primrose (Streptocarpus hybrida) is a popular plant which bears trumpet-shaped flowers in white, blue, purple, pink and red with prominently-veined throats.

The flowers in Cape Primrose hover or arch above the rosette of coarse, stemless strap-shaped 8-12 in. long leaves.

Many hybrids of various colors and forms are available but the old favorite Streptocarpus Constant Nymph which bears lilac flowers with violet veins remains the most popular.

If the growing conditions for Cape Primrose are met, a succession of blooms will appear.

Cape Primrose (Streptocarpus hybrida) requires a shallow pot, moist air, bright light and freedom from draughts. It does not like soil that is too wet and it does not like it too hot.

Cape Primrose Origin

Cape Primrose (Streptocarpus hybrida) is native to South Africa where it is found growing on shaded rocky hillsides or cliffs, on the ground, in rock crevices and almost anywhere the seeds can germinate and grow.

Cape Primrose for Sale

Buy beautiful and healthy Cape Primrose (Streptocarpus hybrida) from Etsy.

Cape Primrose Care, Streptocarpus hybrida Care

Photo Credit: Little Prince Plants

Cape Primrose (Streptocarpus hybrida) Care Indoors

Cape Primrose Light Requirements

Cape Primrose (Streptocarpus hybrida) grows best in bright light conditions but away direct sunlight.

Cape Primrose will not bloom if the light is not enough. Check out this guide on understanding light for houseplants.

How to Water Cape Primrose

Water Cape Primrose (Streptocarpus hybrida) liberally to keep the soil moist at all times and allow the top 2-3 in. of soil to dry out between waterings.

Reduce watering for your Cape Primrose during the cold season to maintain the soil slightly moist as growth is minimal at this time. Read more on how to water houseplants.

Ensure the pot has a drainage hole to prevent the soil from getting soggy as it can lead to root-rot disease.


Temperature for Cape Primrose

Cape Primrose (Streptocarpus hybrida) prefers average warmth to above average between 18-250C. A room temperature that is comfortable for you is ideal for this plant.

Protect your Cape Primrose from cold and hot draughts to avoid sudden changes in temperature. Read more on understanding temperature for houseplants.

Humidity for Cape Primrose

Cape Primrose (Streptocarpus hybrida) requires a humid environment inorder to thrive. Set the pot on a wet pebble tray to raise humidity for your Cape Primrose. Read more on how to raise humidity for houseplants.

Do not mist the leaves of your Cape Primrose as it can lead to fungal diseases infestation due to too wet conditions.

Fertilizer (Feeding) for Cape Primrose

Feed Cape Primrose (Streptocarpus hybrida) with a balanced, water-soluble fertilizer every 2-3 weeks during the growing season.

Withhold feeding for your Cape Primrose during the cold season as growth is minimal and it can lead to fertilizer burn.

Regularly flush out excess fertilizers for your Cape Primrose by running a stream of water through the soil until it comes out through the drainage holes, allow to run for at least 10 minutes. Read more on how to feed houseplants.

How to Repot Cape Primrose

Repot Cape Primrose (Streptocarpus hybrida) annually during the growing season as the plant is fast growing and the roots will quickly fill the pot.

Use a pot that only allows 1/2 in. space around the plant as Cape Primrose blooms best when slightly pot-bound.

Do not repot a Cape Primrose that is in flower as the repotting shock can shorten the flowering period.

Ensure that the pot for your Cape Primrose has a drainage hole to prevent the soil from getting soggy as it can lead to root-rot disease and eventual death of your plant.

Soil for Cape Primrose

The best soil for Cape Primrose should be rich in organic matter and free-draining to prevent it from getting soggy while providing the required nutrients. Most multi-purpose potting mixes are ideal for Cape Primrose.

Buy quality Potting Mix for your Cape Primrose from Etsy.

How to Prune Cape Primrose

Pruning Cape Primrose (Streptocarpus hybrida) is easy. Remove dead leaves to maintain your plant neat and tidy.

After flowering, cut the Cape Primrose flower stems at the base to encourage more blooms. Read more on how to prune houseplants.

Cape Primrose (Streptocarpus hybrida) Propagation

Cape Primrose (Streptocarpus hybrida) propagation can be done at the beginning of the growing season from leaf cuttings, seeds or by plant division.

How to propagate Cape Primrose from leaf cuttings

Take a leaf cuttings from a healthy Cape Primrose plant and insert the leaf petiole in moist free-draining soil.

Place the set up in a cool well-lit spot and maintain the soil moist through out until new Cape Primrose plants emerge at the base of the petiole.

Carefully seperate the new Cape Primrose plants and pot them in moist free-draining soil.

Maintain the soil moist until the new Cape Primrose plants are well established.

How to propagate Cape Primrose from seeds

Spread the Cape Primrose seeds evenly on moist free-draining soil and slightly cover with some soil.

Cover the set up with a plastic sheet to create a greenhouse effect and place the set up in a warm brightly-lit place.

Maintain the soil moist through out by gently misting the soil surface until germination takes place.

Transplant the Cape Primrose seedlings when they are well established into individual pots.

Place the Cape Primrose seedlings in a shaded well-lit place and maintain the soil moist until new growth emerges and the Cape Primrose plants are well established.

How to propagate Cape Primrose by plant division

Carefully divide a large Cape Primrose plant into sections while ensuring each section has enough roots.

Pot these Cape Primrose sections into individual pots in moist free-draining soil.

Place the set up in a shaded brightly-lit place and maintain the soil moist until the new Cape Primrose plants are well established.

Cape Primrose Care, Streptocarpus hybrida Care

Photo Credit: Little Prince Plants

Cape Primrose (Streptocarpus hybrida) Problems Indoors

Cape Primrose (Streptocarpus hybrida) problems indoors are caused by cultural faults like improper watering, low humidity and inadequate light. Read on for remedies and solutions to these problems.

Cape Primrose brown leaf spots

Brown leaf spots in Cape Primrose (Streptocarpus hybrida) are sunscorch marks which are caused by exposure of the plant to direct sunlight.

Keep your Cape Primrose away from direct sunlight or protect it from direct sunlight.

Cape Primrose limp leaves and brown leaf edges

Limp leaves and brown leaf edges in Cape Primrose (Streptocarpus hybrida) are due to soggy soil (too wet soil).

Maintain the soil for your Cape Primrose moist but never allow the soil to become soggy. Ensure the pot for your Cape Primrose has a drainage and the soil is free-draining to prevent the soil from becoming soggy.

Also, reduce watering for your Cape Primrose during the cold season as growth is minimal at this time and therefore the plant does not require a lot of water.

Cape Primrose not blooming (flowering)

Cape Primrose (Streptocarpus hybrida) will not bloom (flower) if the light is too little.

Move your Cape Primrose to a brighter spot where it will receive bright light but away from direct sunlight.

Cape Primrose dull and wilted leaves

Dull and wilted leaves in Cape Primrose (Streptocarpus hybrida) are due to underwatering.

Maintain the soil for your Cape Primrose moist and allow the top 2-3 in. of soil to dry out between waterings but never allow the soil ball to dry out completely.

Cape Primrose pests

The common pests in Cape Primrose (Streptocarpus hybrida) are Mealy Bugs and Aphids.

Isolate the affected plant to prevent spread to other houseplants and treat it appropriately for the pests.

Cape Primrose disaeses

The most common disease in Cape Primrose (Streptocarpus hybrida) is root-rot disease which is brought about by soggy soil.

Never allow your Cape Primrose to sit in soggy soil. Ensure that there is good drainage of both the pot and the soil.

Is Cape Primrose (Streptocarpus hybrida) toxic?

Cape Primrose (Streptocarpus hybrida) plants are non-toxic to humans and pets. Cape Primrose is safe to grow indoors.

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