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Brunfelsia – “Yesterday, Today, Tomorrow” – Growing and Care

Brunfelsia pauciflora
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Each flower opens violet, fades to blue, then turns white in barely three days, which is how brunfelsia (Brunfelsia pauciflora) earned its nickname Yesterday, Today, Tomorrow. A summer-flowering Latin American shrub with handsome evergreen leafage, it does well in a pot, provided it winters somewhere bright where the temperature never drops below 50°F (10°C).

Brunfelsia at a glance
Name Brunfelsia pauciflora
Family Solanaceae or nightshade
Type shrub
Exposure full sun, part sun
Soil rich enough
Height 20 to 40 inches (50 to 100 cm)
Foliage evergreen or deciduous depending on the climate
Flowering Summer

This amazing plant changes the colors of its flowers in three short days, shifting from violet to white. It also bears beautiful evergreen leafage.

Planting Brunfelsia

Brunfelsia care
Flowers pass from violet to white in three days

It is a good idea to plant in spring, preferably in a pot so that you may bring it indoors.

Indeed, this shrub fears freezing, so you’ll have to set it up over the winter in a room where temperatures don’t drop below around 50°F (10°C).

It’s very difficult to grow it year-round inside a house or apartment because the air is much too dry indoors.

  • Grow brunfelsia in an acidic, lime-free potting mix, since alkaline compost can lock up iron and yellow the leaves, though pale foliage may equally reflect underfeeding, overwatering, or excessive light.
  • Pick a pot with open drainage holes and set the root ball so its top sits level with the compost surface, then firm gently around it.
  • Where winters stay frost-free, brunfelsia can go straight into rich garden soil instead of a container.

Pruning and caring for Brunfelsia

How to prune your Brunfelsia

Brunfelsia care
Flowers pass from violet to white in three days

If you wish to reduce or reshape the shrub, wait for the blooming to end and cut the stems back by half.

In order to increase the blooming, you may add rose tree fertilizer once a week during the blooming season.

An annual repotting in spring is almost mandatory for all your Brunfelsia that are confined to pots.

Brunfelsia in winter

Unless you live in a tropical region where the winter weather is very mild, you’ll have to find a way to protect your shrub in winter.

In fall, it is best to bring your brunfelsia inside, because it is vulnerable to the cold and would fare best in a well-lit spot where the temperature never drops below 50°F (10°C).

Water as little as possible over the winter.

Watering Brunfelsia

It is important to water regularly, with lukewarm water. However, don’t water too much, but water regularly all summer long.

It’s always better to water in the evening so that water isn’t lost through evaporation.

The ideal setting for your brunfelsia is in a pot that is rested on a bed of gravel. The gravel or clay pebbles are stacked in a water retention plate which is always filled with water, while the pot stays in the dry.

This water around the clay marbles evaporates and gives the plant the moisture it requires. Here’s an example of clay marbles used to create air moisture.

Brunfelsia through the year

Because this shrub is grown in a pot and cannot take frost, its care follows the seasons closely. Here is what each part of the year asks of you.

Brunfelsia through the year
Time of year What to do Why
Spring Plant, and repot pot-grown plants once a year A pot lets you carry the shrub back indoors later
Summer Water regularly with lukewarm water, in the evening Regular but moderate watering, with no loss through evaporation
Summer, during bloom Feed with rose tree fertilizer once a week To increase the blooming
After flowering Cut the stems back by half To reduce or reshape the shrub
Fall Move the plant to a well-lit spot above 50°F (10°C) The shrub is vulnerable to the cold and fears freezing
Winter Water as little as possible Growth slows and the plant is simply being kept frost-free

Get the winter shelter right and the rest of the year is straightforward.

Most common diseases and parasites

The leaves turn white or lose their color

Your soil around the plant is probably too chalky. Provide heath or liquid iron sulfate as a remedy for this.

Most common Brunfelsia parasites

Aphids can be quite devastating and their leaves turn sticky and gooey. Here is a link with advice against aphids.

Red spider mites might be found hiding on the undersides of leaves and can also wreck havoc. Treat them with a mite-killer or special red spider mite spray.

  • Because rainwater lacks the lime that hard tap water deposits in compost, using it on potted brunfelsia helps avoid alkaline soil conditions, one common cause of yellowing leaves in this acid-loving shrub.
  • Mealybugs hide as small white woolly tufts in the leaf joints.
  • Red spider mites multiply fastest in the dry air of a heated winter room, so inspect the undersides of the leaves each time you water.
  • Yellowing, dropping leaves have many possible causes — including underwatering, low light, cold draughts, pests or nutrient deficiency — but soggy compost is one common culprit, so check the pot drains freely.

Learn more about Brunfelsia

Brunfelsia hedge

This very beautiful Latin American shrub owes its nickname to the changing colors of its flowers, which shift from violet or purple to blue to white in barely three days.

The genus comprises about thirty different species which are all native to tropical American and Antilles forests.

The scientific name of the plant relates to a famous German botanist, Otto Brunfels.

Every part of the Brunfelsia plant is poisonous, it must be handled with care.
Read also:

Smart tip about Brunfelsia

Adding organic fertilizer in spring will enhance its bloom.


Image credits (edits Gaspard Lorthiois):
CC BY 2.0: Carl Lewis
CC BY-SA 2.0: Alejandro Bayer Tamayo

Written by Gaspard Lorthiois | Loves helping out, especially when it comes to growing things. Worked in herbal medicine, runs a farm, and dabbles in tech. Master's degree and engineer.

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Your reactions
  • Mantie Stapelberg wrote on 17 January 2022 at 10 h 00 min

    Thanks a lot. I’ll do an inspection and take the necessary action.

    • Gaspard wrote on 17 January 2022 at 10 h 16 min

      Sure thing!

  • Mantie Stapelberg wrote on 15 January 2022 at 14 h 36 min

    I live in the Western Cape, South Africa. My Brunfelsia is doing fine, except for some of the foliage curling. What could be the cause?

    Thanks!

    • Gaspard wrote on 17 January 2022 at 8 h 24 min

      Hi Mantie, it could be one of several things. First, I’d suspect red spider mites: when they feed in large numbers, they drain leaves of their sap and the tissue collapses, curling the leaves. The same is true of thrips. Occasionally, scale insects produce the same result, too. Usually, all of the above also change the color of leaves: yellow for mites and scale insects, silvery-white for thrips.

      Some species of butterflies have caterpillars that wrap themselves up in leaves for protection when they’re forming their cocoon. This is easy to check for.

      If there are no bugs present, large or small, then possibly a disease is infecting the plant. Fungal diseases have a variety of consequences. Curling occurs in some cases, much like peach leaf curl, but for Brunfelsia not much is documented yet.

      Normally, lack or excess water shouldn’t lead to curling, so that can be ruled out.