The race is on

The chillies have been chitting in their heated propagator. After their tea bath they were carefully strained then snuggled into the chitting pods (takeaway container + capillary matting). Finally they were placed into the heated propagator on the 17th January.

In the propagator the temperature stays above 25 degrees (even on the coldest of – 5 nights so far) and reaches the sweaty heights of 35 degrees +. The pods are stacked with the Chinense types at the bottom, nearer the heated base, and the Annuum varieties on top, not quite so warm.

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Without a thermostat it is impossible to keep the temp constant but it seems that most of the varieties have responded well. Here are the results so far…

Chilli (A=Annuum, Ch=Chinense)Date started chitting (after a soak overnight in some tea)Date of first germination
Jalapeno (A)17.01.1919.01.19
Serrano (A)17.01.1920.01.19
Aleppo (A)17.01.1921.01.19
Cow Horn (A)17.01.1921.01.19
Cherry Bomb (A)17.01.1921.01.19
Golden Greek Peperoncini (A)17.01.1921.01.19
Sweet Banana (A)17.01.1922.01.19
Scotch Bonnet (Ch)17.01.1922.01.19
Espelette (A)17.01.1922.01.19
Madame Jeanette (Ch)17.01.1922.01.19
Trinidad Perfume (A)17.01.1922.01.19
Padron (A)17.01.1922.01.19
Habanero Primero Red (Ch)17.01.1922.01.19
Guajilo (A)17.01.1925.01,19
Mustard Habanero (Ch)17.01.19Yet to germinate
Orange Habanero (Ch)17.01.19Yet to germinate

Not bad results for 8 days after starting.

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Jalapeno seeds starting to germinate just two days after soaking & chitting.

You may notice that a couple of previously mentioned chilli types (Poblano and 7 Pot Bubblegum) are missing from the first list. They have not yet turned up in the post. A refund will be requested. And, the very observant amongst you will have seen the addition of Serrano. These came free from one company. Lovely.

The seeds that germinated in the first few days are now in need of planting in their very first pot. These are newspaper pots filled with nutrient poor seed compost. We don’t want these tiny seedlings growing too quickly as daylight hours are still short and too much food will produce leggy seedlings. Hmmm, note to selves: do we need to think about a lamp?

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Cherry Bomb seedlings ready to be potted up.

Off to buy some seed compost and make 100 million more paper pots.

Anyone for a cuppa?

The 16 varieties of seeds have finally arrived. Some from Devon, some from Athens, some from Italy and some from Holland. All very pleasing.

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The kettle is now boiling. High tech stuff. The seeds will be soaked overnight in tea. The hope is that the tea will soften the seed case with a chemical action similar to that of the seed passing through a digestive system. Thus making things easier for the root to break through and give a higher rate of germination.

The Chinense varieties are harder to germinate (according to last year’s results) so we are keen to support them in any way possible. A good cuppa will hopefully work its magic.

How hot is too hot?

Germination was erratic with some chillies last year. What were the factors? It’s hard to tell as the chillies can’t tell us. Temperature is cited as a key factor. This year we will be attempting germination as follows:

  • Chitting, not in soil or vermiculite. This way it is really obvious what is going on with the seeds.
  • Keeping a consistent temperature, night and day.
  • A high enough temperature for the Chinense type chillies. These all seem to prefer a hot kickstart. It looks like a balmy 27 degrees might suit most chillies.
  • Not excluding light. Airing cupboards are a no no according to some folk.
  • Be patient. With some chillies listed as taking up to 6 weeks to germinate it it a waiting game.
  • Maybe a soak the seeds in some warm strong tea, to act as a chemical scarifyer.

Other charted information for future reference and in preparation for the pot stocktake and greenhouse reorganisation in February.

Chilli
Latin group
No of days to germinate
Suggested germination temp
Days to maturity
Height of plant
Pot size required
Cherry BombAnnuum10-21 days21oC80 days60-75cm3L
EspeletteAnnuum14-21 days24-35oC80-90 days50cm-1.5m3L/7.5L

Cow Horn

Annuum10-21 days24-29oC75 after potting on1m (tall)5L

Guajilo

Annuum10-21 days24-32oC85 days1.5m (yep, big)7.5L
Habanero Primero RedChinense11 days-5 weeks32-35oC45-60cm3L

Aleppo

Annuum21-30 days21-29oC80 days to red from potting on1.2m7.5L
7 Pot Bubblegum
Chinense21 days22 oC90 days1.1m7.5L
JalapenoAnnuum10-14 days18-27oC75 days from seed1.5m7.5L
PoblanoAnnuum6-12 days21oC75 days from potting on1m7.5L
Pimientos de PadronAnnuum14 days24-32oC55-68 days2m7.5L, then the ground?
Golden Greek Pepperoncini
Annuum7-21 days29oC bottom heat85-95 days1m5L
Sweet BananaAnnuum12 days18 oC75 days40-60cm3L
Trinidad PerfumeAnnuum5-7 days 14-28 days elsewhere21-24oC80-85 days 71-80cm5L
Madame JeanetteChinense12-21 days22-28 oC90-100 days85cm5L
Orange HabaneroChinense11 days-5 weeks24-32oC120 days from potting on70cm x 70cm3L
Mustard HabaneroChinense11 days-5 weeks24-32oC100 days75cm3L

Potting on and Beyond

So, Round One of experimentation is done. The results are in. It turns out germinating chillies is not easy peesy lemon squeezy after all. A plug-in, non-temperature controllable, heated propagator is not a reliable enough piece of kit to germinate all types of chilli seed. Some loved it but some super sulked, like teenagers abed. In addition to an amateur range of equipment, snowy conditons outside (including daytime temperatures of -6) do not make for good windowsill conditions.

On the 18th February 2018, a mix of chilli seeds were planted into 1″ square root trainer modules. The compost of choice was John Innes Seed Compost with added perlite. Ten of each carefully selected chilli varieties were planted and placed, lovingly, into said heated bubble. Temperature unknown as Old Faithful, the Birdhouse thermometer, was nowhere to be found.

We waited with baited breath. Condensation appeared. It took an actual eternity for any shoot to show its tiny little self. Seedlings finally emerged on 23rd February. A frabjous day! Aji Limon were first up. Delicate green, slim leaves unfurled pretty quickly. Eight of them popped up within a couple of days. Next were the Jalapenos, Prairie Fire and Scotch Bonnet and Bulgarian Carrot (secretly they’re my favourite but don’t let on now). Fresno and Big Bomb made a later appearance. Fresno only sent three little darlings to the surface but Big Bomb’s module was littered with seedlings galore.

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A mega no show from Go Chu (darn it, this is the variety we are hoping to grow most of) Long Slim Cayenne, Serrano or Tobago Seasoning. Must try harder says their report card.

After a brief foray into the Airing Cupboard (like Narnia, only less snow and more pillowcases) we move swifty on to experimentation Round Two. We will be carefully controlling temperature for seed chitting. All seed varieties will be resown using this method, in the interest of fair testing. Meanwhile, outside the snow has started to fall again. Perhaps this round of chilli germination will yet again be thwarted by plummeting external termperatures.