How to grow and care for Sunglow Plant (Red Crassula) Indoors

Some links in this post may be affiliate links

Sunglow Plant, Red Crassula, Crassula coccinea

Photo Credit: Pinterest

Botanical name: Crassula coccinea
Synonym Rochea coccinea
Family: Crassulaceae
Common names: Sunglow Plant, Red Crassula

Sunglow Plant Description

Sunglow Plant (Crassula coccinea) also called Red Crassula is a neat succulent plant whose stems are clothed with leathery triangular leaves which look like the are stacked on top of each other.

Red Crassula requires plenty of light, good ventilation and plenty of water during the growing period inorder for it to thrive.

Sunglow Plant Size

The Sunglow Plant grows to a height of about 1-1.5 ft and bears showy clusters of red tubular flowers.

Sunglow Plant Origin

Sunglow Plant (Crassula coccinea) is native to Eastern Cape of South Africa where it is found growing on bare rocks or shrubby slopes.

Sunglow Plant Varieties

There are two main varieties of Red Crassula that are popular as houseplants. These are alba which bears red flowers and bicolor which bears red and white flowers.

Sunglow Plant, Red Crassula, Crassula coccinea

Photo Credit: World of Succulents

Sunglow Plant (Crassula coccinea) Care Indoors

Sunglow Plant Light Requirements

Sunglow Plant grows best under bright light with some direct sunshine. It can also grow under a grow light.

Protect your Sunglow Plant from too hot sunshine to prevent sun scorch. Check out this guide on understanding light for houseplants.

How to Water Sunglow Plant

Water Sunglow Plant thoroughly during the growing season and allow the soil to dry out between waterings. Reduce watering for your Sunglow Plant during the cold season as growth is minimal at this time. Read more on how to water houseplants.

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


Temperature for Sunglow Plant

Cool to average warmth with a minimum of 120C is ideal for Sunglow Plant.

Humidity for Sunglow Plant

Average room humidity is adequate for Sunglow Plant. Red Crassula does not require high humidity as it is a drought tolerant plant.

Fertilizer (Feeding) for Sunglow Plant

Feed Sunglow Plant with a balanced, liquid fertilizer every 3-4 weeks when the plant is actively growing (during the growing period).

With hold feeding for your Sunglow Plant during the dormancy period (cold season) as growth is minimal at this time and feeding at this time can cause fertilizer burn.

Regularly flush out accumulated salts in the soil by running a stream of water through the soil until the water comes out through the drainage hole. Allow it to run for a few minutes and repeat the process several times. Read more on how to feed houseplants.

How to Prune Sunglow Plant

Pruning Sunglow Plant requires removal of dead leaves and flowers to maintain your plant neat and tidy.

How to Repot Sunglow Plant

Repot Sunglow Plant during the growing period only when the plant becomes root-bound.

Use a shallow pot for your Sunglow Plant as it has a small root system. The pot should only be one size larger than the current one.

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

Soil for Sunglow Plant

The best soil for Sunglow Plant should be rich in organic matter, loose and free-draining to avoid getting soggy soil. The soil should be loose enough to allow water to drain out fast enough.

Cactus and Succulents soil is ideal for Sunglow Plant. Buy quality Cactus and Succulents Soil for your Sunglow Plant from Etsy.

Sunglow Plant (Crassula coccinea) Propagation

Sunglow Plant can be propagated from stem cuttings at the beginning of the growing period.

How to propagate Sunglow Plant from stem cuttings

Take a 4-6 in. stem cutting from a healthy Sunglow Plant and allow stem cuttings to dry (callus) for 2-3 days to prevent rotting.

Once callused, insert the Sunglow stem cuttings in moist, cactus and succulents soil. and ensure the pot has a drainage hole to prevent the soil from getting soggy as it can lead to rotting.

Place the set up in a warm, shaded place and maintain the soil slightly moist until new growth is observed.

Allow for substancial growth of your Sunglow cuttings before transplanting after which routine care can begin.

Sunglow Plant, Red Crassula, Crassula coccinea

Photo Credit: Annie's Annuals

Sunglow Plant (Crassula coccinea) Problems Indoors

Sunglow Plant leaves wilted and discolored

Overwatering or soggy soil during the cold period is the cause of wilted and discolored leaves in Sunglow Plant.

Reduce watering for your Sunglow Plant during the cold season to maintain the soil slightly moist. Also, ensure the pot has a drainage hole to prevent the soil from getting soggy.

Sunglow Plant brown dry spots

Brown dry spots in Sunglow Plant are due to underwatering during the hot (growing) season.

Water your Sunglow Plant thoroughly during the hot (growing) period as soon as the soil begins to dry out.

Sunglow Plant brown soft spots

Brown soft spots in Sunglow Plant are caused by Leaf spot disease which is enhanced by poor air circulation and wetting of the leaves during watering.

Ensure there is free air circulation for your Sunglow Plant at all times and water from the bottom to avoid wetting the leaves. Read more on how to water houseplants.

Sunglow Plant elongated stems and misshappen

Too much water during the cold season or too little light during growing season are the causes of elongated stems and misshappen in Sunglow Plant.

Reduce watering for your Sunglow Plant during the cold season and ensure the plant receives bright light during the growing season to prevent it from growing towards the light source.

Sunglow Plant rotting base, yellowing, shriveled leaves

Rotting plant base followed by yellowing and shrivelled leaves in Sunglow Plant is an indication of basal stem-rot disease which is brought about by overwet conditions.

At this point, your Sunglow Plant cannot be saved. Discard the plant and taking cuttings from the healthy stems to propagate a new plant.

In the future, avoid overwatering your Sunglow Plant and ensure that the pot has a drainage hole and the soil is free-draining to prevent it from getting soggy.

Sunglow Plant Pests

The common plant pests in Sunglow Plant are Mealy Bugs and Scale Insects. Isolate the affected plant to reduce spread to other houseplants and treat it approprately for the pests.

Is Sunglow Plant (Red Crassula) toxic?

Sunglow Plant (Red Crassula) is mildly toxic to both humans and pets.

If Sunglow Plant (Red Crassula) is ingested it can cause nausea, vomiting and diarrhea. Keep your Sunglow Plant (Red Crassula) from the reach of children and pets.

Other related Crassula Species for Growing Indoors

  1. Crassula ovata (Jade Plant)
  2. Crassula perforata (String of Buttons Plant)

You liked it? Share on social media.

On the Blog

You liked it? Share on social media.