When to Plant Hibiscus?

When to plant hibiscus? Enjoy colorful flowers to the fullest.

What is a hibiscus anyway?

The hibiscus is a striking and colorful plant that delights many amateur gardeners in both the garden and a greenhouse. You can recognize it by its large, trumpet-shaped flowers in a variety of colors: red, yellow, pink, or white. Some varieties are hardy and can remain outdoors year-round, while others, especially tropical varieties, prefer to be kept indoors or in a greenhouse.

The right time to plant hibiscus in open ground

If you want to plant your hibiscus in the ground, ideally do so in spring – between late April and early June. Wait until the risk of night frost has completely passed. A mild, cloudy day or the day after some rain is ideal, as the soil will be moist and the plant will be less stressed.

Make sure the soil is well-draining, as hibiscus absolutely hates wet feet. Add some perlite to improve drainage. Plant the hibiscus in a sunny spot: the more sun, the more flowers!

When to plant a hibiscus in a greenhouse?

Do you have a greenhouse or live in a colder region? Then you're in luck: you can start earlier. You can transplant your hibiscus to a pot or greenhouse as early as February or March. Make sure your greenhouse is heated, as cold nights can still spoil the fun in March.

Use a nutrient-rich potting soil, ideally a mix for flowering plants or aroids , as it retains moisture well while remaining aerated. Place the plant near a window so it gets plenty of light, but avoid scorching midday sun on young leaves.

Difference between tropical and hardy hibiscus

Tropical hibiscus (Hibiscus rosa-sinensis) is a true sun-lover, but sensitive to cold. This species is perfect for a conservatory, greenhouse garden, or as a houseplant during the colder months. You can keep it in a large pot and move it outside during the summer, once temperatures stay above 15 degrees Celsius.

Winter-hardy hibiscus (Hibiscus syriacus) is hardier and can survive Belgian winters well, provided it's planted in a sheltered, sunny spot. This variety is best planted in the ground from May onwards, and you can combine it with other perennials like Aglaonema or Calatheas if you're a fan of color and shape in your garden or conservatory.

Tips for successful planting

What kind of soil does the hibiscus need?

Hibiscus isn't a picky eater, but it does prefer well-drained, slightly acidic, and nutrient-rich soil. Mix existing garden soil with compost, and if necessary, add additional nutrients like coconut husk or perlite. This ensures that your plant's roots receive oxygen and excess water can drain away easily.

Want a tropical corner in your garden or conservatory? Combine it with plants like the Yucca , Ficus Lyrata , or Monstera Minima, which also thrive in a warm, bright spot.

How do you plant a hibiscus correctly?

Dig a large planting hole, about twice as wide as your hibiscus's current pot. Place the root ball in it, making sure the top of the root ball is just level with the soil surface. Press it down firmly with your hands and water generously—you can really water it thoroughly the first time.

In the greenhouse, plant the hibiscus in a spacious pot with holes in the bottom, optionally on a layer of hydroponic clay for extra drainage. Don't forget to choose a matching pot that fits your urban jungle.

Can you repot the hibiscus?

Yes, the tropical hibiscus certainly thrives in a pot! Repot it every one to two years in spring, when growth begins. Use airy potting soil and check that the roots are still nice and white. Is your hibiscus spreading? Then pruning can also be helpful—and don't worry, it will survive just fine.

Want to know everything about the right time to repot plants? Read our repotting guide for more tips.

Planting together? Yes, please!

Hibiscus combines well with other sun-loving plants, as long as they don't block each other's light and air. Consider ornamental grasses or Mediterranean herbs like mint , for example.

Or create a cozy atmosphere with other flowering plants like Zantedescia or Caladium as a pop of color. Make sure everyone has enough space, especially in pots, so the roots can develop properly.

Summary: When and how to plant hibiscus?

Want to plant your hibiscus in the ground? Then wait until late April/early May, on a mild, cloudy day or just after a rain shower. Use fertile, airy soil and choose a spot in full sun.

Are you planting in a greenhouse? Then you can start as early as February or March, especially with a tropical variety. Don't forget to repot and provide plenty of water and light—and a generous dose of love.

Want to know more about flowering plants and when to plant them? Then check out our "when to plant" blog category, where we discuss dozens of varieties per season.

So, time to plant! And don't forget to enjoy it in the meantime – your hibiscus will soon reward you with a profusion of flowers.