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Download Germination Guide (Pdf) method with other species - the freezer is much too cold for Tropical Drosera require the exact opposite of Tuberous sps, Triffid Nurseries Sarracenia and Drosera, etc. in that there must be very little, if any, temperature differ- Hormone treatment: ence between day and night temperatures. Germination is Seed Germination Guide Some of the more difficult species can be prompted to ger- stimulated when day temps are in the region of +35C and Our seed is freshly collected and stored under optimum con- minate more quickly by treating with plant hormones, notably night temperatures are only 2 - 3C lower. ditions of low temperature and humidity to ensure that it Gibberelic Acid. Particularly tuberous Drosera, S.African Tropical Drosera and Tuberous Drosera cannot therefore be reaches you in the best possible condition. Due to the na- Drosera like D.alba, cistiflora, pauciflora, regia, and By- germinated side by side since the conditions needed for each ture of many species and variations in cultivation conditions, blis gigantea respond well to this - soak the seeds for 24 are very different! successful germination cannot be guaranteed but we believe hours in a solution of 250 ppm (i.e. 100mg GA in Sub-Tropical Drosera: you will find that this seed offers the greatest chance of suc- 400ml.water). Sow on milled live sphagnum to help prevent Use Standard Sowing medium and maintain temps of 19 - cessfully introducing your chosen species into your collec- mould. For B.gigantea this is certainly the most reliable 25C. tion. method, though great care must be taken transplanting small Temperate Drosera. Please take time to read the germination tips through - we seedlings to soil. Cold Stratification is recommended for these mainly Ameri- know you want to get the best results you can from these Smoke treatment: can and European sps. seeds. Various products are available either to burn on the seeds or Pygmy Drosera. Some useful general information on germination to prepare a smoke solution to water over them, and good re- These Australian sps should be sown on Standard Planting and cultivation: sults have been reported in many cases for tuberous Drosera, medium at temps of 15 - 25C. Heat Stratification and the ad- Use only good quality soil and clean soft water for germina- Byblis, etc. We sell Smoke Water Papers on our website for dition of leaf litter ash can give higher germination rates. I tion and cultivation - for most Carnivorous Plants, a mix of 2 this purpose. Burning leaf litter, eucalyptus bark/leaves or have also had excellent results growing Pygmys on parts sphagnum moss peat to 1 part sharp sand (Standard paper in the pots (see heat treatment for details) also will 60% moss peat : 40% perlite. Sowing medium) is suitable, however I have detailed other provide smoke. Petiolaris-complex. soil mixture options under the appropriate species. Rain- Heat Stratification: These Australian sps require high temps (25 - 35C) and high water is preferable to tap water, but if boiled to remove lime Some species benefit from controlled burning of leaf litter or humidity. Similarly high levels of light intensity for 12 - 14 and chlorine prior to use, tapwater will suffice. tissue paper on the seeds - these are usually species native to hours per day are also needed. I use a soil mix of a 60:40 Almost all carnivorous plant seeds are best sown on the sur- areas which experience regular brush fires, e.g. some tuber- blend of sphagnum moss peat to perlite as recommended by face of the soil and not buried. ous Drosera, Byblis gigantea, Mimosa pudica. A small Allen Lowrie. Do not use the tray method for these plants, Allow good ventilation around the pots/seed trays to prevent pile of suitable dry material can be piled on top of the sown just ensure that the soil is kept damp and hot!!! the risk of mould attacking the emerging seedlings. Check seeds and ignited - remove excess ashes once combustion has Pinguicula species Butterwort the seeds regularly and apply a suitable fungicide at the first ceased. I prefer to use eucalyptus leaf litter for this purpose. Sow the seeds onto the preferred soil mix of the sps.(see be- sign of mould. Most CPs will respond positively to a half A similar effect can be more safely obtained by watering the low) and keep in bright light and high humidity. In addition seeds once with boiling water immediately after sowing. If strength solution of any fungicide that is not copper-based. the seeds of those sps that form winter resting buds Allow a suitable level of light to fall on the pots/seedtrays - in doubt, don't use this method routinely - it is only a few (hibernacula) will require cold stratification. as a rule of thumb, seeds will respond best to similar light species which benefit, and most CP species would be dam- Temperate sps: 2 parts sphagnum moss peat: 1 part sand: 1 levels enjoyed by adult plants of the same species. The aged or destroyed by the heat! part perlite. same goes for water - species that like to stand in water Scarification: Mexican and Tropical Sps:Equal parts of Sphagnum moss through the summer will germinate best in pots kept standing Some larger seeds may benefit from scarification - this is a peat, perlite, sand and vermiculite. in water. process whereby the seed is chipped or filed to provide a Nepenthes species Tropical Pitcher Plants weak spot in the tough seed case where the germination For many of the common species that are suitable for begin- The viability of Nepenthes seed is highly variable and de- sprout can emerge. This is particularly recommended for ners, a sunny south-facing windowsill in a warm room is an pends on a number of factors including sps and storage condi- Drosophyllum lusitanicum. ideal position for germination and cultivation. A bottom- tions. Germination can be a long process varying from a mat- heated propagator is not usually desirable, and if the pots are * * * * * * ter of days right up to 18 months! Many CP seeds are de- stood in a tray or saucer of water, propagator domes/lids More Specific advice signed to be viable for many years, indeed the seed of Dro- should not be used for most species - ventilation will be seri- sophyllum lusitanicum actually has improved viability after ously reduced, which is an open invitation for mould. The Dionaea muscipula Venus Flytrap D.muscipula seeds require cold stratification. The diurnal 2-3 years storage! Nepenthes seed doesn’t however! Always very wet nature of the soil will provide sufficient humidity. try and get FRESH Nepenthes seed and wherever possible Be patient - most species of CP have not been bred for easy temperature swing following a cold winter is vital to syn- chronising the seed and persuading it to germinate. Use the try and establish the date of harvest. Viability of most Ne- germination like more traditional horticultural and agricul- penthes seed is halved after 6 months post-harvest so use tural crops - in some cases they may take a considerable time Standard Sowing Medium. Seeds germinate at temps of 15 - 25C and prefer high humidity. Transplant the seedlings when fresh seed and sow soonest! to germinate, e.g. some Utricularia spp. and tuberous High humidity and temperatures of 12 - 30C are required. Drosera may take over 1 year! Happily most of the com- they have developed 3 - 4 leaves. Sarracenia species Trumpet Pitcher Plants I sow Nepenthes seed on to live sphagnum moss, however I moner species will take no more than a few weeks, but it is have seen great success with using pure vermiculite, kept Sarracenia seed requires cold stratification. Sow the seed on wise not to give up hope for at least several months. damp, the seeds sown on to the surface and the whole tray to the surface of a soil mix consisting of 3 parts sphagnum If in doubt as to the techniques detailed below, don't use covered with clingfilm to maintain humidity. them. Most species will germinate without them, and many moss peat: 1 part sand. The seeds will germinate over a pe- Genlisea species The Corkscrew Plants would be harmed by inappropriate heat, smoke or chemical riod of several months, but can take as long as 18 months! Use a soil mix of 3 parts sphagnum moss peat : 1 part sand at treatment. Stratification will cause no harm, and is recom- Cephalotus follicularis Albany Pitcher Plant temperatures of 25 - 35C. mended for all temperate species (listed under Stratification), Cephalotus seed germinated best on bed of finely chopped Genlisea often show low seed viability and the use of GA is but is not necessary for tropical or sub-tropical species LIVE sphagnum moss. If live moss is not available then use recommended. compressed dried Sphagnum moss or Supersphag available Some useful information on particular germina- Byblis and Roridula species________________________ tion techniques: on Ebay. Sprinkle seeds and spray with water. Cover to pro- vide humidity and place in half shade in a warm greenhouse Byblis gigantea requires heat stratification and the use of Cold Stratification: GA can also beneficial. Temps of 15 - 25C are best. Stratification is a process whereby the seeds are exposed to or windowsill. Darlingtonia californica Cobra Lily Roridula are sown on the surface of moist medium (sphag- cold and moisture to simulate the winter conditions that num moss peat and sand, 3:1) then the seeds are lightly cov- As above, but protect from temperatures over 30'C and en- many temperate Drosera, Pinguicula and Sarracenia ex- ered with more soil medium. The pots are then placed in sure roots are kept cool - use a light-coloured pot and water perience in their natural habitat.
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