Cannabis Seeds Sink Or Float

Just curious if it makes a difference as far as if the seed is good or not if it sinks or floats? Why Float Cannabis Seeds? Floating Cannabis Seeds Why Float Cannabis Seeds? In general, growing cannabis from seed can offer the opportunity for growers to possibly create something new which can be exciting and different. Besides genetics, phenotypes based on the grow environment can create different alterations of the same cannabis strain (Conviron, 2017). An individual can easily purchase seeds online or by pollinating and hybridizing one’s own seeds for use. Cannabis growers may find more success by first floating or soaking their cannabis seeds in filtered water, than planting directly into a growing medium. Tesseract (Andy’s Blue Dream x White Lemon Stomper) cannabis seeds floating in filtered water. Genetics are from Pink House Colorado. Image taken by RMK. The germination of cannabis seeds depends on the right amount of heat and moisture (NGA, 2018). Since viable cannabis seeds float on the surface of the water, they are able to retain the proper ratio of moisture and air. Seeds that do not float may be sterile or underdeveloped. When you roll the seed in your hands prior to floating the seed, it should be firm and brown with the occasional dark stripes in appearance. Immature cannabis seeds appear green or sometimes white and as stated above they will sink to the bottom when you attempt to float them. Floating Cannabis Seeds Properly floating cannabis seeds is as easy as placing these seeds in warm filtered water with a ~7pH in a container that is covered from direct light. When the tap root is about ¼ to ½ inch in length, you know the cannabis seeds are ready to be placed into their growing medium. Tesseract cannabis seeds with taproots popping out. Check out the seed hulls, they are a dark brown color with several dark spots and stripes. These seeds were soaked for a 24 hours. Image taken by RMK. These cannabis seeds were floated in 8oz white paper cups covered by a pot tray. These cups were then placed under a T5 light approximately 1ft away from the tops of the cups. A Tesseract cannabis seed with a taproot popping out is being placed standing up into a small cup of presoaked promix for planting. Image taken by RMK. Within 24 hours these seeds had a success rate of 100% with all seeds showing tap roots and being placed into a different set of 8oz paper cups that were full of presoaked promix. The promix was only immediately presoaked using filtered water with ~7pH. The cannabis seeds were placed with taproots sideways or with the seed hull standing upright and the taproot pointing downwards about ½ to 1” inch deep into the promix growing medium. The small cups holding the seedlings are separated to easily identify several different strains in the large white tray. Image taken by RMK. After a total of four days since the cannabis germination started a majority of the cannabis seedling should begin to sprout from the surface of the growing medium. In conclusion, floating cannabis seeds can be beneficial for cannabis seed propagation for several reasons. Finding viable seeds and ensuring a higher success rate of germination, even if it may take longer for some seeds, are two main reasons why a cannabis grower may want to try floating cannabis seeds as a means of propagation instead of other methods which are also perfectly acceptable. Resources: NGA – National Gardening Association. (2018). “Propagating Amaryllis Seeds by Floating”. National Gardening Association. Conviron. (2017). “Cannabis: Propagation. Cloning Methods For Commercial Growers”. Conviron. hi i bought 5 WW and 5 skunk #1 ( both feminized and both of them is seedsman ) from attitude and i put them a glass of water to crack…

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Does it mean amything when seeds float vs sink?

I don’t think the good egg/ bad egg rule applies here. Never tried germinating my seeds in a cup of water.

GoinGreen09
Member
Dirtyboy
Well-Known Member

Soak them for 24 hrs and plant them sink or float or regardless how they look.

Float or sink they may still grow.

RichED
Well-Known Member

dont throw a non floater away i have a few steps
1- underwater first night on heating pad in dark most split then to soil
2-dont slit then soak under peroxide overnight slit to soil
3-dont slit pour off liquid leave between napkins for abup to a week to split and go to soil
4-dont split after week start scarcification includes sandpaper picking pieces of husk off scraping the little cover over seem off and fanal dont like to do but have done succesfully must be carful not to injur inside has a high success rate is to split with exacto knife at seam easy easy

for finish stages at about 99 5 success rate after step 3 at about 75 % after step 3 i feel like nothing to lose and actually improve percentages step 4 has a lot to do with how i feel but always get better numbers after if i have to go that far

growone
Well-Known Member

i had always heard that sinkers are the good seeds, takes a while for good ones to sink, usually a few hours
all my sinking seeds have germinated

RichED
Well-Known Member

i dont do float thing at all i use bottom of beer cup about 1/2 of it then trace folded paper towel till it opens like a book cut out put bean in it i have a tarced piece of terry cloth i use one on bottom to hol mois terry on top keeps it below water anyway nekt day if not split take off top terry pour out water leave in moist paper towel on top of moist terry to hold moisture no need to keep misting all the time

Cannabis Seeds Sink Or Float

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Case Study: Propagating Cannabis Seeds by Floating

June 03, 2019
  • Why Float Cannabis Seeds?
  • Floating Cannabis Seeds
Why Float Cannabis Seeds?

In general, growing cannabis from seed can offer the opportunity for growers to possibly create something new which can be exciting and different. Besides genetics, phenotypes based on the grow environment can create different alterations of the same cannabis strain (Conviron, 2017). An individual can easily purchase seeds online or by pollinating and hybridizing one’s own seeds for use. Cannabis growers may find more success by first floating or soaking their cannabis seeds in filtered water, than planting directly into a growing medium.

Tesseract (Andy’s Blue Dream x White Lemon Stomper) cannabis seeds floating in filtered water. Genetics are from Pink House Colorado. Image taken by RMK.

The germination of cannabis seeds depends on the right amount of heat and moisture (NGA, 2018). Since viable cannabis seeds float on the surface of the water, they are able to retain the proper ratio of moisture and air. Seeds that do not float may be sterile or underdeveloped. When you roll the seed in your hands prior to floating the seed, it should be firm and brown with the occasional dark stripes in appearance. Immature cannabis seeds appear green or sometimes white and as stated above they will sink to the bottom when you attempt to float them.

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Floating Cannabis Seeds

Properly floating cannabis seeds is as easy as placing these seeds in warm filtered water with a ~7pH in a container that is covered from direct light. When the tap root is about ¼ to ½ inch in length, you know the cannabis seeds are ready to be placed into their growing medium.

Tesseract cannabis seeds with taproots popping out. Check out the seed hulls, they are a dark brown color with several dark spots and stripes. These seeds were soaked for a 24 hours. Image taken by RMK.

These cannabis seeds were floated in 8oz white paper cups covered by a pot tray. These cups were then placed under a T5 light approximately 1ft away from the tops of the cups.

A Tesseract cannabis seed with a taproot popping out is being placed standing up into a small cup of presoaked promix for planting. Image taken by RMK.

Within 24 hours these seeds had a success rate of 100% with all seeds showing tap roots and being placed into a different set of 8oz paper cups that were full of presoaked promix. The promix was only immediately presoaked using filtered water with ~7pH. The cannabis seeds were placed with taproots sideways or with the seed hull standing upright and the taproot pointing downwards about ½ to 1” inch deep into the promix growing medium.

The small cups holding the seedlings are separated to easily identify several different strains in the large white tray. Image taken by RMK.

After a total of four days since the cannabis germination started a majority of the cannabis seedling should begin to sprout from the surface of the growing medium.

In conclusion, floating cannabis seeds can be beneficial for cannabis seed propagation for several reasons. Finding viable seeds and ensuring a higher success rate of germination, even if it may take longer for some seeds, are two main reasons why a cannabis grower may want to try floating cannabis seeds as a means of propagation instead of other methods which are also perfectly acceptable.

seeds directly sinked when i put them into a glass of water

i bought 5 WW and 5 skunk #1 ( both feminized and both of them is seedsman ) from attitude and i put them a glass of water to crack.

however,some of seeds directly sinked as soon as when i put into water while others floating .after 5-6 hours,all seeds sinked and i put all of them into rockwool cubes.
deoes it mean directly sinked seeds are dead ?

Charles Xavier

Some seeds are simply initially denser (heavier) than others because of an internal greater water content. In other words: some seeds sink immediately, others take time.

chunkymunky
charlesweedmore

:party0044: thanks chunkymunky

i didnt know that ,i was in panic. i am relax now :sun

SmokeMan
Guest

You are fine. Some seeds sink right away & some dont. The fat round seeds usually always sink. The small ones seem to float. But you can leave the seeds in the water until you see cracks. Just make sure the water is PH’d just right.

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Do not keep them in water for more than 24h. After 24h take them out and put them into wet paper towel.

blueskies

what is the longest you ‘ve left a seed in water before you took it out of the glass blueskies?

I ‘ve seen pics of seeds(floating) with well developed taproot in glass of water but I ve never left seeds for more than 24-36 hrs myself.. I don’t really soak seeds to be honest tho , only old ones or seeds from hard to germ strains. Usually go strait with wet towels or in wet soil.

frankie-smiles
Guest

Yeah, I’ve drowned a few seeds myself.:sad0123:
I use a slightly damp hand towel now, its amazing how little water it takes to germ a seed. Less is more for me on the waterfront, maybe I’m just a clusterfuck when i comes to germing though. Glass of water= mushy seeds for me.

Rootbound

For fresh seeds I soak them in a glass of warm PH’d tap water with a drop of superthrive for 1 Hour at the most!! Then straight into coco or soil. I use tap water because it has a small amount of chlorine in it to kill off any bacteria on the outside of the seed.Great results. ROOT

Chesney

My friend put a seed in a shot glass with plain tap water and put it in a draw and forgot about it for a week!, was absolutely fine lol. Had a long tap root though.

CrippledCrow
Guest

Seeds soak any longer then 48 hours will likely suffer from oxy deprivation. I use a lil heat and soak over night adn usaully have tails from 12 – 24 hours then I go directly to soil.

Chesney
blueskies

It works well with warm to slightly hot water with first droppin seeds. After 24hrs to 36 you may want to change the water. This is one way to gurantee germination! Ive seen people report on the paper towel method but guess what. water is by far the fastest. Do make sure that you store the cup or whatever you choose somewere kind of warm. The water technique sucks in cold temp rooms. to answer your ques Ive started some of outlaw genetics magic merlin and there were just a few that didnt do anything in the water within 48hrs. I forgot about them noticed 4to 5 days later that they had popped and had completely removed the shell off layin at the bottom of the water!

andytoker

blueskies -with respect, just because your seeds survived 5 days submerged in water doesnt mean it is good advice to do it.

one way that gardeners kill weeds and their seeds is to submerge them in water for a couple of weeks before putting them on the compost heap!

i soak for 12 hours max and then straight into soil. i have lots of books about horticulture and not one of them advises you to germ any type of seeds in paper towel before planting it .
i know that is the most popular way amongst weed growers but a germinating seed is the most delicate stage of plant growth and there is a high risk of some damage to the tiny root hairs by ripping them off a paper towel and planting them.

if i knew for sure that my seeds were really fresh i wouldnt even soak them – just plant them. soaking helps older seeds that have lost some of their natural water content