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Produce => Edible Plants => Topic started by: manicscousers on March 10, 2008, 21:35:24

Title: sweet potato slips
Post by: manicscousers on March 10, 2008, 21:35:24
I've just ordered 10 from the organic gardening catalogue..after the T&M fiasco with the slips last year, thought I'd give them a go, I don't think my own will produce enough slips so. 10 slips for 12.95, plus 1.50 p&p..bit dearer than the other ones but ,hopefully more reliable..will let you know  ;D
Title: Re: sweet potato slips
Post by: Eristic on March 10, 2008, 22:27:13
Quote
10 slips for 12.95, plus 1.50 p&p.

Ouch!

So far I have 18 rooted slips from the orange skinned one.
7 from the red skinned.
The white one has finally decided to honor me with some greenery but none have been removed yet.

Once they start, I find they keep on producing for ages and I will expect a lot more to come yet. Thats a lot of money for a few cuttings. OK you get named varieties but they are ripping the customer off. I doubt if they grow their slips in jars of water either.
Title: Re: sweet potato slips
Post by: Doris_Pinks on March 10, 2008, 22:35:48
Mines just sitting in it's jar on a windowsill doing b*gger all! >:(
Title: Re: sweet potato slips
Post by: carolinej on March 10, 2008, 22:42:12
~Same here at the mo DP ::)

cj :)
Title: Re: sweet potato slips
Post by: Eristic on March 10, 2008, 22:50:11
Quote
Mines just sitting in it's jar on a windowsill doing b*gger all! Angry

Wrong place for it until the shoots emerge. It can be left in a dark or gloomy position until slips emerge but must be warm, cozy warm or mildly hot even. You shouldn't do this at home but I start mine off on top of the web server (More to cool the computer really). They can be stubborn but once they start they don't stop.

Has any roots appeared yet? You should get loads of roots in the jar.
Title: Re: sweet potato slips
Post by: hazelize_uk on March 10, 2008, 23:35:38
Ours did take a while to get shoots but the roots appeared pretty quick and since we added pop bottles over the top the shoots have shot up quite nicely now  :)  £12.95 a bit pricey for us we'll see how the freebie ones do first  :P
Title: Re: sweet potato slips
Post by: springbok on March 11, 2008, 07:38:53
 i bought a sweet potato from the supermarket.

there is lots of advice to put it in a jar of water ,halfway suspended on toothpicks like doing avocado as kids.

Is this correct?

Only want to try one potato, and see what happens.

How many potatos can you get from one plant?

Title: Re: sweet potato slips
Post by: Lindsay on March 11, 2008, 07:56:44
I did what Springbokgirlie mentions - and all it did was sit there for four weeks, then started to go mouldy.   ???   So I lost patience and threw it out!

Is there a sure way of growing slips from one bought from the supermarket?  Or is it all rather hit and miss?


Title: Re: sweet potato slips
Post by: miniroots on March 11, 2008, 08:05:00
I had three chunks from a super market sweet potato - two of them went mushy and had to be thrown away, the third is sprouting happily - have about 6 or 7 slips appearing.  -  but no actual roots - or are they very fine?

So I suppose you need a few bits to catch one that will do it - I wonder if some are treated to stop it happening - a few months ago I had one that spontaneously sprouted in the cupboard - but have never know that before.

BTW does anyone change the water that they are sitting in?

S
Title: Re: sweet potato slips
Post by: manicscousers on March 11, 2008, 08:19:52
only got 2 on mine at the moment, lots of roots..the other one has buds but no roots, this was an organic one
Title: Re: sweet potato slips
Post by: allaboutliverpool on March 11, 2008, 09:52:47
I have tried them for the first time this year. The problem was, which end goes in the water?
After a week there is no hint of a bud or root so I still do not know if they are the right way (if there is one).
I have changed the water every 2 days.

http://www.allaboutliverpool.com/allaboutallotments1_homepage.html
Title: Re: sweet potato slips
Post by: debster on March 11, 2008, 10:40:38
i cut mine in half and put the cut half in the water on one nothing on the other one root and one bud though i too have them on a window sill but will be moving them to somewhere warmer and yes i do change the water though not sure if im meant to lol
Title: Re: sweet potato slips
Post by: springbok on March 11, 2008, 10:43:33
Found this info for kids!!  Actually helps all the questions above :D

To help your kids grow their own vine, choose a firm sweet potato. Some are treated with heat to keep them from sprouting on grocery-store shelves, but most grow roots in a matter of days after being placed in water. Using four toothpicks, have your child suspend the vegetable on the rim of a jar or mug filled with water. Make sure the bottom half - the pointed end - is under water. Place in a sunny spot, and change or add water as needed. In a few days, roots will form below the water. And, two to three weeks later, leaves and stems will sprout from the top. Continue to grow the plant in water or, after a month or two, pot the sweet potato in a houseplant potting mix. Keep the soil moist. The stems are weak, so help your child tie them to strings, wire or a stake. Feed once a month with a balanced water-soluble fertilizer such as 20-20-20. As the vine grows, cut it back a few inches to force the plant to grow bushy.

marguaritaIf your kids want to try growing sweet potatoes in your garden, you can have them root 25- to 30-centimetre (10- to 12-inch) cuttings in water, then plant them outside in late May to produce sweet potatoes they can dig and eat in the fall. Plant 30 centimetres (one foot) apart and feed once a month with 5-10-10 fertilizer. Mulch with straw or dry leaves to control weeds, and keep the soil moist. The tubers need approximately 120 days to mature, so let them grow as long as you can. But don't let frost hit them. In case of an early frost, cover the plant overnight with newspaper to keep the vines growing. Late in the season, probe beneath the vines to test the size of the tubers. Be careful not to puncture or bruise them. Store the tubers in a cool, dry place, and wrap them in newspaper to keep them from sprouting.
Title: Re: sweet potato slips
Post by: debster on March 11, 2008, 10:49:06
someone put some fantastic piccies on here of slips growing anyone able to find it and link it here?
Title: Re: sweet potato slips
Post by: springbok on March 11, 2008, 11:02:21
Debster, found this, looks pretty good, is this it??

http://www.david-frary.com/Plot/batatas.php (http://www.david-frary.com/Plot/batatas.php)
Title: Re: sweet potato slips
Post by: debster on March 11, 2008, 11:17:16
its very good but not the one i was thinking of i think it was pictures of someones home grown ones and it was brilliant
Title: Re: sweet potato slips
Post by: caseylee on March 11, 2008, 11:42:41
mine have started sprouting quite nicley it has taken two weeks though and I change the water once a week
Title: Re: sweet potato slips
Post by: manicscousers on March 11, 2008, 13:07:18
Ray's put the one that's slow somewhere warm and dark, will see if there's any progress  :)
Title: Re: sweet potato slips
Post by: Barnowl on March 11, 2008, 13:15:33
Probably best to buy organic from the super market in case the potato has been treated.

I found the 'potato suspended by toothpicks in water' method worked - would recommend not changing the water - just top it up from time to time. Warmth but not direct sunlight.
Title: Re: sweet potato slips
Post by: Eristic on March 11, 2008, 15:25:59
What's with the toothpicks? Potato just requires heat and moisture. As for which way up it goes, they are all sorts of shapes and so long as shoots have clearance I do not think it matters much if they grow from the top, side or bottom.

Once removed, slips ought to be potted on immediately into compost, watered and kept warm but in light during the day. Sometimes they have roots when removed but they root within a few days and grow according to the prevailing temperature.

As for how many you get from one potato, this will vary according to the variety and the size. I expect to get about 2 dozen.
Title: Re: sweet potato slips
Post by: artichoke on March 11, 2008, 15:36:01
I'm using a few of my smaller organic sweet potatoes from last year's crop, and they are steadily sprouting. To produce that crop, I used a sweet potato my daughter had bought that was sprouting, and she was about to throw it away.

The other thing I did last year, just before the first frost, was to break off the tops of the vines and root them in water, then plant them in pots. Some have died, but I have 9 in bedroom window looking reasonably well (very cold bedroom), and I am hoping they will get away faster when I plant them out in May. They are MUCH taller that the little sprouts from the potatoes, so I am always going to do that in future.
Title: Re: sweet potato slips
Post by: manicscousers on March 11, 2008, 15:48:59
I tried that, artichoke, they all died  :(
guess I don't know how to look after them over winter , still, I'll try it again next year  :)
Title: Re: sweet potato slips
Post by: cornykev on March 12, 2008, 16:59:10
Saddad show them your pictures, I'm sure they'll like to see your big one.  ;D ;D ;D
Title: Re: sweet potato slips
Post by: star on March 12, 2008, 17:09:31
Now that big one IS a sight to behold! And they size doesn't matter eh? ;D

Title: Re: sweet potato slips
Post by: saddad on March 12, 2008, 17:36:20
These were last years... 15kg from 10 slips...
(http://i39.photobucket.com/albums/e190/Plot52/DSCN2048.jpg)

(http://i39.photobucket.com/albums/e190/Plot52/DSCN2046.jpg)

But the year before when we had that hot dry July I watered into a bucket buried by the slip and created a monster...
 ;D
 (http://i39.photobucket.com/albums/e190/Plot52/SPot1.jpg)

Title: Re: sweet potato slips
Post by: miniroots on May 04, 2008, 10:50:23
I'm confused now.

I've got a half dozen skips growing steadily from a half-potato on a window sill - I thought you had to take them off the potato and root them in compost... but the advice above says to plant the whole potato... What do I do?

And how long do the slips have to be before I pot up?

S
Title: Re: sweet potato slips
Post by: manicscousers on May 04, 2008, 15:11:27
no, definitely the slips, each one's a mini plant..ours were between 1" and 3" when I potted them up, they're growing along nicely now but I only got 4  ;D
Title: Re: sweet potato slips
Post by: cornykev on May 04, 2008, 17:24:43
Hi Scousers hows it going, I have nine slips growing on in pots and still have others still on the Sweet Potato in water. So whats the next stage, this is my first proper year trying them.     P.S   Miniroots you must have one hell of a big window sill to have five SKIPS on them.  :o    ;D ;D ;D ;D ;D
Title: Re: sweet potato slips
Post by: manicscousers on May 04, 2008, 20:51:42
wow, ck, you're doing better than I did, I only got 4 altogether, the sp's are still on the windowsill but refusing to grow any more  ;D
I potted them on into 5" pots, 2 have outgrown them so they're in the poly border, they do need protection and warm soil, if you're growing outside, it'll have to be after the last frost, or under plastic..they need a good, long, hot season, can't remember how long, I think saddad told us last year, after the monster he grew..
I haven't had the ones I've ordered yet so, they obviously don't think they can go in yet  ;D
maybe saddad can give us some more idea ?
Title: Re: sweet potato slips
Post by: miniroots on May 08, 2008, 07:26:56
Mine seem to have stalled a bit - two of them are about 2 cm long, the rest much smaller and they don't seem to have grown at all recently... What to do?

If I pot up the longest ones will it stimulate the others to get a move on?

The potato is starting to look a bit worse for wear...
Title: Re: sweet potato slips
Post by: manicscousers on May 08, 2008, 07:58:51
my other 2 are in pots, looking really healthy but standing still, the 2 in the soil are starting to grow, :o still no sign of the ordered ones  :(
I've e mailed the company, maybe today they'll answer..I potted mine on when some of them were about the same size as yours, miniroots, eristic reckoned the remaining ones grow once the bigger ones are removed  :)
Title: Re: sweet potato slips
Post by: miniroots on May 08, 2008, 13:01:47
Smashing - I'll do it!

I was going to go for a John Innes No1?  Am I right?
Title: Re: sweet potato slips
Post by: manicscousers on May 08, 2008, 15:40:11
mine are in ordinary compost, mixed with some sharp sand, don't know whether I'm doing the right thing but they seem to be okay  ;D
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