Dahlia: unique flowers in the garden

2 min read

The dahlia is a superb flower, here are all the tips for having beautiful dahlias.

In summary, what you need to know:

Name : Dahlia
Type : Bulbous

 : 20 to 150 cm depending on species
Exposure : Sunny
Soil : Ordinary enriched Flowering : June to October

Planting the dahlia

Properly planting a dahlia is important because this step determines the good growth and flowering of your plant.

Planting dahlia bulbs:

This is the most common, easiest and fastest planting technique for beautiful dahlia flowers.

  • The tuber (bulb) of the dahlia is ideally planted in April and May , after all risk of frost.
  • The dahlia likes rather rich and well-drained soils.
  • Plant them at a depth of about 10 cm, respecting a spacing of 80 to 100 cm between each tuber, because the dahlia needs sun and likes to be at ease!
  • The shoot should be directed upwards.

If you think your soil is poor, do not hesitate to enrich the soil at planting with an organic amendment or compost.

Dahlia seedlings:

The sowing of dahlia is quite possible but this technique requires a certain know-how reserved for insiders.

  • In sowing, prefer sowing in a terrine from the month of March, transplant in April and put in the ground in May.
  • Multiplication by division of dahlia tubers in spring.

Dahlia care

Once in place, the dahlia requires relatively little care even if a few gestures will allow you to prolong or improve flowering.

  • Remove faded flowers as you go.
  • Once the stems are completely faded, cut as short as possible.
  • Dahlias resist temperatures of around -5 to -10°.

Watering dahlias:

The dahlia is quite resistant but will gladly appreciate being watered in periods of prolonged drought.

Take care that the dahlia bulbs are never flooded, no standing water, because they could rot.

Well-drained soil is the guarantee of avoiding this kind of unpleasant surprise.

  • Water the dahlias without wetting the foliage. This will avoid any risk of illness.
  • Water preferably in the evening to avoid evaporation and also save water.

Making dahlias bloom longer:

It is possible to extend the flowering of dahlias beyond summer, sometimes even until the end of October.

  • Apply fertilizer for flowering plants once a week until the end of flowering.
  • Remove faded flowers as you go to avoid exhausting the dahlia and encourage the arrival of new flowers.

Dahlia in winter

While dahlias can be left in place over winter in areas with mild winters, they cannot withstand severe frosts .

If you live in a region where the temperature frequently exceeds -5°, you must at all costs bring in the bulbs before the first frosts.

  • Wait until the foliage is completely withered and cut 10 cm from the ground.
  • Pull out the rhizomes and let them dry.
  • Clean them with a brush.
  • Keep them cool, dry and protected from light.
  • Replant them after all risk of frost, in the spring.

In other regions, simply protect your tubers with a mulch of dead leaves, for example.

To know about the dahlia

Originally from Mexico, the dahlia is a tuberous plant that has several dozen species.

We thus find the dahlia cactus and semi-cactus, with pompom, decorative, balls, lace or even with collar, to distinguish as much the forms as the colors.

This plant offers a very varied range of flowering.

Mounted on a long upright stem, it gives birth to pretty flowers in multiple colors.

Also to discover:

  • Dahlia imperialis
  • Dahlia red label to better choose them

Varieties of dahlias:

Among many other varieties of dahlias, we find some remarkable ones like:

‘Aspen’, ‘Café au lait’, ‘Berliner kleene’, ‘Margaret kleene’, ‘Arabian night’, ‘bluesette’, ‘Deuil du roi Albert’, ‘Bishop of Llandaff’, dahlia ‘Bonesta’ or even ‘Chantal ‘.

But the varieties of dahlia are numerous, with multiple shapes and colors.

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