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

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