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Nemesis, a profusion of flowers

nemesis flower
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Tiny flowers in white, yellow and red crowd so thickly that they hide the leaves beneath them, and they carry a delicate fragrance. Native to South Africa, nemesia earns its place in beds, edges, rockeries and garden boxes; give it rather rich, well-drained soil in part sun and it flowers from early summer into autumn.

Nemesia at a glance
Name Nemesia
Family Scrophulariaceae
Type annual or perennial depending on the variety
Height 12 to 20 inches (30 to 50 cm) depending on the variety
Exposure full sun, part sun
Soil rather rich
Flowering early summer → early/mid-fall

In flower beds, along edges, in garden boxes or hanging pots, it is extremely ornamental and growing it is very easy.

Planting nemesis

Most appropriate is to sow in a sheltered spot starting from the month of early spring and put in place during the month of late spring.

Nemesis planting
Direct sowing in the bed waits until mid-spring

If you’re looking to sow your nemesis directly in the bed, wait for the end of mid-spring. Blooming, in this case, should occur in late summer or early autumn.

  • For abundant flower-bearing, prefer a spot that is in part shade and never gets too hot.
  • Best is part sun. But you’ll be happy to see that nemesis still does flower well in the shade.
  • Nemesis prefers rather rich and well drained soil.
  • Water regularly, but not too much, after planting.

Also, best wait for mid-spring to transplant specimens purchased in nursery pots to the ground.

Planting nemesis in pots

Nemesis is a flower that is very well suited to growing potted for your garden boxes and pot arrangements.

  • Opt for flower plant soil mix.
  • Water when the surface of the substrate has dried up.

Three ways to start nemesis, and when

Nemesia can be sown under cover, sown straight into the bed, or bought ready-grown in nursery pots. Each route has its own calendar, and the sowing date decides when the flowers appear.

Three ways to start nemesis, and when
Way to start When What follows
Sowing under cover From early spring Put in place during late spring
Direct sowing in the bed mid-spring Blooming should occur in late summer or early autumn
Plants bought in nursery pots mid-spring Transplanted straight to the ground

Whichever route you choose, water regularly but not too much after planting.

Pruning and caring for nemesis

Planting and care for nemesis
Removing wilted flowers stimulates new ones

Cut wilted flowers off your nemesis as soon as they wilt, so that the plant won’t waste energy. This step isn’t mandatory but performing it will stimulate the plant to produce new flowers.

Apart from that, provide for regular watering for nemesis grown in in pots.

At the end of the blooming, once the leaves have withered away, cut back as short as you can.

Diseases and parasites that attack nemesis

Nemesis is often particularly sensitive to powdery mildew.

  • Avoid wetting the leafage when watering.
  • Here, you can find the best practices to fight off powdery mildew.

As regards parasites, aphids is the most common predator, and it can wreck havoc among your plants.

Beautiful Nemesis plant varieties

Other names worth seeking are the Sunsatia Series, ‘KLM’ and ‘Carnival Mixed’; since fragrance varies a lot between nemesia cultivars, buy them in flower and sniff before choosing, and check the label for a trailing or compact upright habit.

Nemesis flower varieties
‘Safari Pink’ carries two-toned pink petals

There are so many options to chose from! Here are a few favorites:

  • Nemesis ‘Safari Pink’ – has two-toned pink petals, with dark pink on the top and lighter pink underneath. This is the picture shown here.
  • Nemesis ‘Nesia’ – two-color flowers, very fragrant
  • N. ‘Mirabelle’ – beautiful pastel-blue flowers, grows densely with abundant blooms.

All types of nemesis flowers are edible, though they don’t necessarily taste good.

  • Fragrance varies a lot between nemesia cultivars, so buy plants in flower and sniff them before choosing if scent matters to you.
  • Check the habit on the label: trailing varieties spill from hanging baskets, compact upright ones hold a neat line along an edge.

Learn more about nemesis

Nemesis flower blooming
Colours run from white to red through yellow

Native to South Africa, the nemesis flower is a very cute little flower, that offers abundant blooming all summer long in a range of colors.

Nemesis is quite distinctive thanks to the wide range of colors, from white to red, including yellow. It is also found appealing for its delicate fragrance and its abundant flowering.

Nemesis actually bears so many flowers that at times the tiny colored flowers overtake and cover its leaves.

They’ll be perfect in flower beds, rocky settings or to mark edges, and they’ll also look amazing in pots and garden boxes on your terrace or balcony.

Nemesis comes from the Greek root word nemesis, which stood for righteous anger. It was sometimes tied to the spirit of equilibrium, and also vengeance.

Smart tip about nemesis

In summer, always favor watering in the evening to keep water from evaporating.


Images: CC BY 2.0: Ryan Somma, CC BY-SA 2.0: Judy Dean; Pixabay: Davie Bicker, infoopposite, Melmak

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.