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May issue of The Irish Garden Magazine








Rachel's Journal

Rachel's Journal

Last Post 1 day 14 hours ago

Castor Oil Seed

25 October 2011 14:27:00
Ricinus communis

Ricinus communis

I collected my castor oil seeds about a week ago.

With all the rain, I feared I would loose them to rotting.

I should probably have left them mature/dry a bit longer as I may have gotten some late developers to become viable if I had but, instead, I decided to to deal with them today.

Ricinus communis is a great ornamental plant and you can never have too many of them in summer! The seeds aren't cheap to buy too so it's worth going to a bit of trouble to get enough seed for next year.

So, the first job was to removed the red seed heads. Wear gloves - the seeds are poisonous and cause nasty rashes!

Then I peeled off the white inner husk - tedious and hard.

Then I tested each resultant seed by squeezing firmly. Watch out for them flying across the kitchen and make sure to find all of them as you don't want the baby or cat eating it!

The viability rate on Ricinus is low so I wanted to ensure that I don't waste my time in spring, sowing dud seeds. Any seeds which 'gave' at all were ruthlessly discarded as immature. I discarded about two thirds of my seed. In spring I will probably test again before sowing.


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TinaJ TinaJ 25 October 2011 14:59:22

your kitchen was like a science lab today,a lovely plant,i have some seeds,better put them somewhere safe incase they happen to get into seans sandwich!!!


Rachel Rachel 25 October 2011 17:28:04

:)


Jacinta Jacinta 25 October 2011 18:30:45

Oooh hope I haven't left it too late to gather my Ricinus seeds. Great tips there, Rachel. I had forgotten that they were poisonous.


fran m fran m 25 October 2011 20:38:00

Thanks Rachel.


TheH (Hazel) TheH (Hazel) 25 October 2011 23:38:24

That's dedication :-)


HeadGardener HeadGardener 26 October 2011 18:19:37

Rachel hope there ok, mine are still on the plant outside I'll try to leave them as long as possible, ideally until they husks change colour from red to brown. But it will be interesting to see if that makes any difference.  Jacinta EXTREMELY poisionous seed approach with caution, after 9/11 a package was sent to the White house and killed a postal worker it contained 'ricin' a deadly poision extracted from these seed :-) Tina you know what to threaten Sean with now LOL


Rachel Rachel 26 October 2011 22:14:27

Good luck to you too, Bill, and watch out for the frost! I grew all this year's Ricinus from seed I collected myself last year, except the New Zealand Purple you gave me.


HeadGardener HeadGardener 26 October 2011 23:06:18

Thanks Rachel, the frost has been kind so far.. the NZ Purple shows no sign of producting seed yet so I suspect we should have got Linda to collect some over there  :-) back to chiltern for those I think.


Rachel Rachel 26 October 2011 23:09:41

I think they cross pollinate, Bill. Last year I only managed to collect viable seed from the green 'Zanzibarensis' yet all the resultant plants turned out red!


HeadGardener HeadGardener 27 October 2011 13:08:03

Really.. wow did'nt think they did that Rachel, when you say red to you mean red leafed or red stemmed? as some of my zanzibarensis had more pronounced red stems.


Rachel Rachel 27 October 2011 14:00:58

All were both red leaved and stemmed, Bill.


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