Petunia pull yourself - sowing and propagation

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Petunia Petunia

Petunias are impressively staged with voluminous funnel flowers. In the flowerbed, the balcony box and the hanging pear, the tropical ornamental plants bloom so abundantly throughout the summer that they cover their foliage. Before the first frost brings this flower splendor to an end, skilled hobby gardeners secure the material for another flower spectacle next year. Instead of buying new plants at the start of each season, you can easily pull petunias yourself. How sowing and propagation succeed, read here.

crop seeds

In order to pull petunia by sowing itself, the withering flowers are not cleaned out at the end of the season. Now they are supposed to wither completely so that the seed pods underneath can completely develop. These are still green at the beginning, to discolor in the course of beige or light brown. It is important to turn off the capsules when fully mature but not burst. As the mass flowering plants produce a wealth of fruits, it is no drama if one or the other capsule fruit escapes your notice. Even inexperienced hobby gardeners quickly develop a good eye for choosing the right time. How to harvest the petunia seeds:
  • Just below the seed capsule, grasp the stem between your thumb and forefinger
  • Cut off the dried fruit with a small piece of the stalk
  • Dry and ripen in a warm, airy place for a few days
  • If the capsules burst, collect the tiny, black seeds
Until sowing, store the seed in a cool glass jar or plastic container in a cool place.


From the end of February, sowing behind glass is possible. If the later flower color is of subordinate importance, the self-collected seed is used. However, if you wish an explicit color, the retailer offers favorable offers. The reason for this differentiation is that the garden petunias are always hybrids. It is therefore a guessing game which attributes of the parent plants prevail in the seeds. With certified seeds of the specialist dealer a decided selection of the seeds took place, so that the flower color is exactly predetermined here. Sow the seeds as follows:
  • Small seed pots or a seed bowl fill with nutrient-poor substrate, such as peat sand or Saaterde
  • Sow the fine seeds and thinly sprinkle with substrate, sand or vermiculite
  • Mixed with a little bird sand, the seed distribution is particularly even
  • Moisten the substrate with water from the spray bottle
  • Apply a glass plate or cover with foil
So prepared, place the seed containers in the partially shaded, warm window seat. Ideally, a heated indoor greenhouse is available, as germination requires 20 to 23 degrees Celsius. Within the next 3 weeks, the seed leaves break off the seeds. During this phase, keep the substrate constantly moist and ventilate the cover daily to prevent formation of mildew.
Tip: Before the seed soil is poured into the jars, it is put in the oven for 30 minutes at 150 degrees. In this way, the substrate is thoroughly disinfected to destroy all fungal spores, viruses or insect eggs hidden therein.


Petunia Petunia

Once germination has started, the growth of young petunias is progressing rapidly. If, in addition to the seed leaves, at least one further pair of leaves has developed, there is an intense narrowness in the seed vessel. Now the isolation is on the program. Here's how to do it:
  • Place a potsherd in a 9 cm potty over the bottom opening as drainage
  • Fill up to half with Pikiererde or a potting sand mixture
  • Press a trough into the substrate with a stick or a spoon
  • Pick a strong seedling, lift it off the ground with the stick and place it in the hollow
Take a look at the rhizomes before inserting them into the ground. If these are longer than 2 centimeters, they are shortened. Finally, fill the cavities with the substrate so that a small margin remains and pour. From the beginning of May, place the seedlings in the garden or on the balcony for curing during the day. Here, the petunias can get used to the sun and fresh air until they are planted from mid-May.

Propagation by cuttings

As an alternative to sowing, the propagation of cuttings is very popular with hobby gardeners thanks to their uncomplicated use. At the beginning of summer, choose a magnificent blooming petunia as a mother plant. How to succeed step by step:
  • Small plastic pots or multi-pot plates fill with potting soil
  • Press the substrate with a small board and moisten with a fine shower
  • Use a sharp, disinfected knife to cut off several head cuttings with a length of 10-15 cm
  • The interface is just below a bud or leaf node
  • Remove the lower leaves and place each cuttings in a separate pot
In order for the rooting to proceed swiftly, place the seed pots in a larger container that can be closed with a plastic hood. Here, a humid and warm microclimate develops, in which the small petunias thrive. If the young plants are floating in the upper area, this is the signal that a root system is forming in the soil. Once the small pots are completely rooted, plant the petunia in the bed or bucket.


In order for the self-bred petunias to develop their beauty in full splendor, experienced hobby gardeners pay attention to the following aspects of care:
  • The sunnier the location, the more abundant the flowering flora develops
  • Ideally, the planting site is protected from wind and pattering rain
  • Soil and substrate are nutrient-rich and well-drained
  • Pour petunia regularly with collected rainwater or decalcified tap water
  • Fertilize regularly with liquid fertilizer for flowering plants from May to September
Every few days to wilt out withered flowers, attracts a new flowering florets. Take a look at possible pests and diseases on this occasion. Often it is the tiny white flies that seize a petunia. On the green leaves of the plant, the pests stand out clearly. In an early stage of infestation, yellow sticky traps help to control the pests. Otherwise, retailers will have systemic bars ready to be pressed into the substrate. If the rich green leaves turn yellow, petunias suffer from iron deficiency. This is triggered by too hard irrigation water. With the help of a special iron-containing liquid fertilizer you compensate for the deficiency. In addition, only soft or decalcified water should be used for casting.


Petunia Petunia

When the first frost of flowers stops, the disposal of petunia on the compost is not mandatory. If enough space is available for a bright, frost-free winter quarters, the magnificent ornamental plants are certainly suitable for perennial cultivation. Cut all shoots back to 20 centimeters before adding. During the hibernation at 5 to 10 degrees Celsius you only water so much that the plants do not dry out. It is not fertilized during this time.
You can easily draw magical petunias yourself. Choose from two straightforward methods. The sowing of the seeds is already possible from February in the house. The seeds can be harvested as capsule fruits the year before, when the flowers are withered or bought cheap in the specialized trade. The most important prerequisite for a good success is a constant heat at at least 20 degrees Celsius and a partially shaded location. Alternatively, multiply their most magnificent petunia with cuttings early in the summer.

Video Board: How To Grow Petunias Flowers How To Care and Keep the Petunia Blooming.

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