Bloom or blossom; blossoms collectively; the state of blossoming.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "blowth" in a sentence
"They go on blossoming, year after year; even those that lie almost horizontally remember their due season and burst into blowth, pouring (as it were) in rosy-white cascades down the slope and through the rank grasses."
"From the word _blow_ (in another sense) is formed _blowth_, which I heard again this summer after a long interval."
"A farmer would say that there was a good blowth on his fruit-trees."