Rieger Begonia Indoors (Begonia x hiemalis)

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Plant Details

Category: Flowering Houseplant
Light: Medium Light
Bloom Season:
Height: 8-12" / 
20-30cm
Space: 12-15" / 
30-38cm
Zones: 11, 12
Lowest Temp: 50° to 80°F / 
10° to 27°C
Colors: Red, Yellow, Pink, White, Orange

Basic Care

Plant in organic-rich, well-drained soil. Keep soil moist throughout growth and bloom season. Apply a balanced liquid fertilizer monthly. Remove faded flowers for best display.

Water

Keep soil moist throughout growth and bloom season.

Soil

All-purpose mix.

Feed

Every four weeks with mild liquid fertilizer.

Slow Growth

Heat Tolerant

Containers

hanging baskets

Hanging Baskets

Features

Rieger begonias are a cross between tuberous and wax begonias. The result is beautiful glossy foliage with an abundance of dainty flowers. The blooms are an interesting combination of single and double-petaled flowers all produced on the same plant. Adds color and cheer to any room of the house!

Uses

The perfect choice for brightening any room. Very decorative on a small table or windowsill. May be displayed outdoors during warm weather. A perfect gift plant sure to bring a smile.

Rieger Begonia Indoors (Begonia x hiemalis) Care Guide

If the plant was purchased in a pot, then it is probably already in a quality potting soil and requires little more than watering and grooming for a while.

If potting a flowering plant to bring indoors or to give as a gift plant, start with a good quality, commercial potting soil. These are usually lighter in weight than topsoil, sterile and pest-free. Many are available with a mild starter fertilizer in the mix.

Select a container with a drainage hole or be prepared to drill holes for drainage if there are none.

Prepare the container by filling with potting soil up to 2” (5cm) from the rim of the planter. Make a small hole in the soil slightly larger than the root ball either by hand or using a trowel. Insert the plant into the hole and press soil firmly around the roots and just covering the root ball. When all the plants are potted, water thoroughly to settle the soil and give plants a good start. Place plant in bright location for best performance.

Repot every 2 years in the same container or in a container slightly larger than the diameter of the roots.

Most potted flowering plants prefer consistently moist but well-drained soil. If the soil gets too dry the blooms can wilt and they may not recover. Check the soil moisture with your finger. If the top 2-4” (5-10cm) of soil is dry, or plants are wilted, it is time to water.

Apply water at the soil level if possible to avoid wetting the foliage. Water the entire soil area until water runs out the base of the pot. This indicates that the soil is thoroughly wet.

Remove the flowers as they fade. This keeps the plant looking tidy and may encourage more blooms depending on the type of plant. After flowering many blooming plants make attractive houseplants. Be sure to trim the foliage to maintain the desired size and shape. Occasional trimming encourages the plant to develop more side-shoots and flowers, and reduces the demand for the plant to develop a larger root system. This is important since the roots are in a confined space.

Some plants will re-bloom on their own, but others may have very specific day-length or temperature requirements to flower again. A bit of research may be necessary to determine what is needed to encourage future blooming. Some plants, such as bulbs or perennials, can be turned into wonderful garden additions after the flowers have been enjoyed indoors.

Fertilizers are available in many forms: granulated, slow-release, liquid feeds, organic or synthetic. Determine which application method is best for the situation and select a product with a nutritional balance designed for foliage plants.

Too much fertilizer can damage plants so it’s important to follow the package directions to determine how much, and how often, to feed plants.

Slow-release fertilizers are an especially good, care-free choice for container plants. Follow the product directions for proper timing and application rates.

Companion/Combination Plants

2 Comments

  1. Karen

    My yellow Rieger Begonia has reddish shoots coming out all around it. Do I pluck them or leave them.?. It sits outdoors on partial shade space.

    Reply
    • My Garden Life

      Hi Karen,
      It sounds like your Rieger begonia is simply producing new growth and its possible that the red tint will diminish as the new stem and leaves develop. Rieger begonias are a cross between a tuberous begonia and a wax begonia and this interesting coloration may reflect a characteristic of one of the parent varieties.

      Reply

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