Seed germination is the process that germinate. This is influenced by how the feeding and care of the mother plant, the conditions of formation of seeds, their age, seed coating (thickness, texture, hardness and chemical constitution).
Plants with a short period (several months) of germination: Aconitum,
Asparagus, Clivia, Helleborus, Gentiana, Gerbera, Primula, Salvia.
Seeds of species like Callistephus, petunia, Tagetes, Zinnia, germinate in 7-10 days. Verbania in 14-20 days, some even a month: cyclamen, Helleborus, Paeonia etc. Seed germination temperature varies depending on the species and its place of origin. In general it can be said that most flower plants have optimal germination temperature between 12 and 25 degrees. as follows:
- Antirrhinum 20 degrees germinate in 7 days or 6 days at 25 degrees;
Plants that germinate only in the presence of light: Achillea millefolium, Aquilegia, Begonia, Bellis, Campanula, Dianthus, Digitalis, Helichrysum, Lobelia erimus, Myosotis alpestris, Nicotiana, Papaver, Primula acaulis, Primula auricula, Primula Japonica, Primula rosea, Salvia, Viola so adored.
Plants that germinate in the dark: Aconitum, Altheae, Asparagus, Calceolaria, Cyclamen, Delphinium, Freesia, Gladiolus, Lilium, Matthiola incana, Nigella damascena, Primula elatior, Primula denticulata, Primula officinalis, Tropaeolum, Tulipa etc.
Plants that germinate equally well in the dark and the light: Antirrhinum majus, sprengerii Asparagus, Asparagus plumosus, Campanula, Calendula officinalis, Callistephus chinensis, Tagetes erecta, Zinnia elegans.
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