Feminizing a outdoor grown plant question

I've got the sodium thiosulfate and silver nitrate to make the solution but when would I begin spraying an outdoor grown plant. I've got some old Lao Highland seeds and I only got one to sprout this year. Luckily it is a female. I would like to make some seeds for future grows but cant figure out when to start spraying.
The summer solstice is in a couple days so do I begin now?

Bumping because I'd really like to know.

I don't know anything about reversing outside I just wanted to encourage you to take clones off her so if you don't get a reversal you can keep her alive until you do. Best of luck on this. I really hope you get some seeds off her.

RottyRzr said:

I've got the sodium thiosulfate and silver nitrate to make the solution but when would I begin spraying an outdoor grown plant. I've got some old Lao Highland seeds and I only got one to sprout this year. Luckily it is a female. I would like to make some seeds for future grows but cant figure out when to start spraying.
The summer solstice is in a couple days so do I begin now?

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The best thing u could do is take a cut reverse her rather than just letting her self pollinate you may find this thread useful too hope it helps

Outside you would start to apply once stretch ends/ flowers start. Taking a cutting for backup and one to reverse right now would be a good idea. Take cuttings now dont reverse one yet.

curious2garden said:

I don't know anything about reversing outside I just wanted to encourage you to take clones off her so if you don't get a reversal you can keep her alive until you do. Best of luck on this. I really hope you get some seeds off her.

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conor c said:

The best thing u could do is take a cut reverse her rather than just letting her self pollinate you may find this thread useful too hope it helps

Tutorial - DIY STS Mixing/Using Guide for Feminized Pollen/Seeds R.C.Clarke Method as Base

Feminized Seeds are Awesome Hermaphrodite plants are not awesome. Fortunately, it's possible to create cleanly produced feminized pollen. This pollen can be used to create seeds which are 99.9% female. As long as logical safeguards are taken, these seeds will not be any more sensitive to...

www.icmag.com

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Roguedawg said:

Outside you would start to apply once stretch ends/ flowers start. Taking a cutting for backup and one to reverse right now would be a good idea. Take cuttings now dont reverse one yet.

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Thank you all for the replies and @conor c thanks for the link. I took a couple cuttings, dipped in rooting hormone and dropped them in distilled water. I've successfully done clones like this before. I still want to spray a couple lower branches on the plant outside when the time is right.
@Roguedawg, when you say "flowers start" do you mean when I first see pistols forming? I've used STS successfully on indoor grown plants by spraying 5 days before I flip the lights to 12/12. Then that day (light change) then again 5 days later. 3 times was always successful. Just thought I'd like to give the outdoor plant a try.