Bluestar - Care of the early bloomer


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Scilla bifolia - Bluestar

In early spring, the cheerful bluestar opens the colorful rounds of spring-fresh flowers. As a classic early flowering scilla bifolia thrive tirelessly under tall trees, colonize as groundcover extensive park areas or adorn the lawn with their beautiful star flowers. With graceful unobtrusiveness, star hyacinths thus create a dreamy reverberation in the visual appearance at almost all locations of the garden. As the following instructions for the right planting, cultivating and multiplying show, the bluestarchen is rightly regarded as a manifestation of frugality.

Characteristics

  • Plant genus Bluestar (Scilla)
  • Type: Two-leaved calla (Scilla bifolia)
  • Located in the Mediterranean, southern and central Germany
  • Hardy onion plant with an average of 5 leaf veins
  • Growth height 5 to 15 centimeters
  • Blue or white star flowers
  • Flowering period from March to April
  • Two shiny green leaves thrive per stalk
  • Other names: blue oysters, star hyacinth
  • Toxic in all parts due to harmful saponins
In Germany, wild-growing blue oysters are subject to the Federal Nature Conservation Ordinance. In the wild, you can enjoy the enchanting picture. Picking or even digging is prohibited.

Location and soil

Its flexibility and adaptability demonstrate sustainable Scilla bifolia when you consider the criteria for a suitable location:
  • Sunny to partially shaded areas of life
  • Optionally, a location in the light shade under deciduous trees
  • Nutritious, humus-rich, fresh-moist soil
  • Likewise sandy-loamy, without too much drought
The limit of the natural distribution area is located in the Siebengebirge near Bonn. From this it can be concluded that blue oysters in northern gardens could be difficult to do.

plants

So that the early bloomers develop their full potential and actually shine in front of the cowslip or the larkspur, the ideal planting time extends from the beginning of September to the middle of October. If the soil conditions at the chosen location do not reach the optimum, a soil conditioner is incorporated, such as compost in lean soil or sand in heavy soil. On this occasion, the soil is raked fine-grained and cleaned of roots or stones. So the planting is done step-by-step:
  • Dig out small plant holes with a depth of about 10 centimeters
  • Insert the flower bulb with the tip up, surround it with soil and press it down
  • Ideally plant in small tuffs with a distance of 10 centimeters
After the sparing casting, experienced hobby gardeners treat the blue oysters to a mulch layer of leaves, straw or compost, so that they can safely come through the winter.
Tip: In combination with snowdrops, hare bells, lark spurs and Puschkinia, you create a colorful plant composition with blue oysters.

maintenance

Until the small flower dwarfs show up in the spring, they need no nursing attention. In the further course of the soil should be kept constantly moist without wetting. If you're already out and about with a wheelbarrow full of compost in the garden anyway, Scilla bifolia would be grateful for a dose of nutrients with added vitality. On the other hand, the use of fertilizer is not absolutely necessary. The ground-level pruning takes place only when flowers and leaves are completely withered. Until then, the onion will assimilate any remaining nutrients to create a reserve for next year.
Tip: Wear gloves during all planting and care work so that the toxic saponins do no harm to you.

multiply

Scilla bifolia - Bluestar

Bluestar are true masters of vegetative propagation. This circumstance they owe on the one hand to the numerous Brutzwiebeln and on the other hand the capsule fruits. On the spot, you can confidently leave the further spread to the plant. If you want to cultivate at other locations, the offspring succeeds according to the following two methods:

sowing

The pure species is easily reproduced by hand-picked fruit, which you can remove the delicate seeds when completely dried. If you cultivate a variety and this is to be propagated in the same habitus, the purchase certified seed from specialist retailers is recommended. How to sow:
  • Small 6 cm pots fill with peat sand, perlite, expanded clay or coconut fibers
  • Sprinkle the seeds evenly on the substrate
  • Sift thinly with sand or vermiculite and spray with water
  • Coat seed containers with foil or spend in the indoor greenhouse
In the partially shaded window area, germination is rapid at a temperature of 23 to 26 degrees Celsius. Seed and substrate must not dry out.Ideally, pour from below so that the filigree seeds are not washed away. For this, place the pots in a few centimeters high water and leave the capillary action the rest. If the substrate surface feels damp, the casting process is finished and the seed pots are removed from the water. If the cotyledons emerge from the seeds, the cover is ventilated daily until completely dispensed with. If the first true leaves are thriving, the blue oysters are piqued in individual pots with slightly fertilized substrate.

Brutzwiebeln

Even more straightforward, the propagation by means of bulbs on the hand. Dig out a flower bulb following flowering and recognize several daughter onions. These cut off with a disinfected, sharp knife. Until the planting time in the fall, store the propagation material dry and dark.

Cultivation as a one-year houseplant

Would you like to enjoy the magical blue oysters in the house? Then there is nothing against nurturing her as a houseplant on the windowsill in the first year. Then you plant Scilla bifolia in the field, so that she continues to play her cheerful colors for several years. This is how the one-year intermezzo succeeds behind glass:
  • In the fall, fill a flowerpot with commercial substrate for indoor plants
  • Insert the onions 10 centimeters deep, with an upright tip
  • Cover with soil, press lightly and pour moderately
  • Set up for 10 to 12 weeks in a cool, dark cellar at temperatures not below 10 degrees Celsius
During the dark phase, check every 14 days to see if the substrate is still wet. It is only poured so much that the earth does not dry out. If the shoots set in, you gradually get used to the star hyacinths to brighter light and warmer temperatures. The amount of irrigation water is now increased in proportion to the growth. The longest flowering succeeds at temperatures around 15 degrees Celsius. Of course, blue oysters thrive at higher temperatures, but then a little shorter.
ConclusionBluestar are the first spring flowers to drive away the gray dreariness of winter. Planted at the right time in September or October, the delicate star-shaped blossoms shine already from March. Without requiring extensive care, the robust mass flowers form dense upholstery, dotted with blue splendor. As long as star hyacinths are not exposed to drought stress, they fulfill their task in the garden with flying colors. Propagation is also very easy by hand, either by sowing or breeding onions.

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