When to sow petunia?
To correctly determine the time of sowing petunias, you need to know a few things. Petunia in the open ground planted only after the end of frost. Different groups and varieties need a different number of weeks to go from seed to plant ready for planting on a flower bed.
How much time will pass from seeding to flowering?
Modern bush large-flowered petunias require 9 to 11 weeks. Cascading shoots (length from 30 to 40 centimeters) large-flowered petunias need from 10 to 13 weeks. Curling (length of shoots from 40 to 90 centimeters) petunias already need from 12 to 15 weeks.
Now there are new varieties of large-flowered shrub petunia, which, when the height of the bush is 25 centimeters, has a flower diameter of 10 to 13 centimeters. Such plants need from 13 to 16 weeks to become a full-fledged adult seedlings.
Therefore, to answer the question of when to sow petunia, you need to know by what time you want to get flowering plants. Count the required number of weeks from the planned date and get the time of sowing flowers.
Optimal time for sowing seeds
In central Russia, you can begin to sow petunia from mid-January until the end of March. And in the south of our country you can start sowing from mid-January, then you will get a flowering plant by the end of April. At a later time of sowing, the petunias will bloom only by the middle of summer.
Since the seeds of petunia are very small, they should be mixed with sand when sowing, and sow better into boxes prepared specially for these purposes (wooden or plastic). In the open ground, petunias are not sown, only seedlings are planted when the threat of frost is finally passed.
If you grow seedlings under room conditions, you will not always be able to withstand the right temperature and light. Therefore, by the time of growing plants, it is desirable to add a few more weeks.
Which seeds are better?
For growing petunias, try to buy seeds of well-known companies in large specialized stores or centers. Petunia seeds are preferable to buy in pellets. Also, be sure to look at the expiration date, since last year's seed germination rate drops sharply.
This article only tells you when to sow petunia, and all the detailed information on how to grow petunia is here.
If you can grow flowers until the moment when frost has not stopped outside, then petunias can be placed in hanging containers and simple pots on warm balconies or loggias.
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