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The question does not state what time of year it's being asked, but let's assume it's late autumn. If the seeds were free or plentiful, it couldn't hurt to try, but in general late fall would not be the ideal time to propagate herbacious perennials from seed.
Plants react not only to the cold temperatures of winter but also the decreased available light. While a greenhouse can provide protection from cold temperatures, it can be difficult and expensive to provide good supplemental lighting. Without enough light your seedlings will not flourish.
You could wait until late winter, perhaps late January or February, to start the seeds which will still give them a nice head start on the growing season. Keep in mind that most perennials concentrate their efforts on establishment (root and shoot growth) in their first year and will not bloom until their second year or later. Experiencing a winter dormancy cycle is part of the establishment process for many hardy plants, so even starting their seeds early in a greenhouse doesn't necessarily guarantee flowers in the first summer.
It's also important to note that different species of plants have very unique needs for seed germination and subsequent growth (so there's no one-size-fits-all answer.) It's best to identify the particular needs of each plant you are trying to grow.
As a side note, for easy-to-grow perennials that will bloom in their first year, try: Rudbeckia hirta (gloriosa daisy), Achillea 'Colorado Mix' (yarrow) or Salvia 'Blue Queen'.
Most of the native Prairie wild flowers can be planted right outdoors in a garden bed as seed in the late fall they need the cold moist stratification to germanate in the spring . see www.for-wild.org for more details. or http://www.epa.gov/glnpo/greenacres/toolkit/index.html
What else can I help you with?
What is the opposite of wild flower?
There is no antonym for the noun 'wild flower'
What is the scientific name of Hermione flower?
Paeonia lactiflora ( Hermione Peony )
What is the scientific name or taxonomic classification of the perennial flower Coral bells?
The scientific or taxonomic name would be Heuchera sanguinea.
Is there a flower variety called Laura?
There is no commonly recognized flower variety called Laura. However, the name Laura can be used for hybrid or cultivated varieties of flowers created by breeders or enthusiasts.
What are onions annual biennial and perennial?
Onions are typically grown as annuals, meaning they complete their life cycle in one year. However, some varieties can behave as biennials if they are planted in their first year and allowed to flower and produce seeds in the second year. There are no perennial varieties of onions commonly cultivated for consumption.
Is a jasmine flower a perennial or annual?
perennial
Can you give a sentence using the word perennial?
That flower is a perennial.
Is the California state flower a perennial?
no it is not a perennial it is a Golden Poppy
What are some perennial flowers?
One perennial flower is the impatien.
Is the sagebrush flower an annual or a perennial?
Sagebrush is a perennial flower that flowers from late summer into fall. It has also been the official state flower of Nevada since 1917.
What flower will live more than a year?
Any flower that is a perennial.
Flower Bromeliad are they perenial or annual?
Perennial.
Does the bloom make the sunflower perennial?
Plants can flower regardless of whether they are perennial or annual, so no, blooming does not automatically make a sunflower a perennial.
Are dahlias a perennial flower?
Yes, dahlias are perennial flowers, meaning they come back year after year.
What type of flower is the Siberian iris?
It is a perennial flower. It comes from the Iridaceae family of plants.
What are shaded perennials?
When a flower is called a shaded perennial it means that it must be grown in a shaded area of the garden. Being a perennial means it will grow back each year without you replanting the flower.
What is inter flowering period of perennial flower called?
juvenile phase
