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About Rob-Rah

  • Birthday 10/23/1975

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    SW London/Surrey, UK

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  1. Rob-Rah

    Sarracenia flowers

    (only trim the dead parts... the green parts are still useful to the plant, but typically that does mean the plants are shorter when flowering and look quite tidy).
  2. Rob-Rah

    Sarracenia flowers

    Oh I think of the flowering season as a highlight in the greenhouse, lots of trimmed-short pitcher-bases and the lovely flowers hovering above like so many exotic butterflies. And generally they even smell nice.
  3. Rob-Rah

    When to pot up Saurmatum

    Yes, my plants outdoors must be 20-30cm deep.
  4. Rob-Rah

    When to pot up Saurmatum

    Mine's been growing in the garden for 10 years, with no protection!
  5. Rob-Rah

    Drosera bindoon

    This Drosera bindoon is producing this crown of red buds. Are they gemmae, or just new leaf shoots? I'm new to the species.....!
  6. Rob-Rah

    Help with drosophyllum seeds!

    I would defer planting the seed until September. The cool nights are one of the triggers for successful germination.....
  7. Rob-Rah

    U. menziesii from seed

    I'd like to hear any input to this too, as I have also acquired some seed this year. I intend to sow it in late September, after a soak in both GA3 and smoke water. I'm assuming it will respond to cooler nights in autumn and a high level of water around the pot. If I am lucky enough and some do germinate, I'm not at all sure how to get tiny plants safely into their first dormancy though.
  8. Rob-Rah

    Pinguicula Gigantea

    Isn't P. gigantea the only ping with the glands on the leaves; undersides too?
  9. Rob-Rah

    Pinguicula Gigantea

    Nice! Mine's looking a bit yellowish at the moment and a bit less lush than it might... probably the heat.
  10. Rob-Rah

    My Pinguicula gypsicola

    Just don't let the pot share the tray with other CPs which will object to the calcium leeching out into the traywater.
  11. Rob-Rah

    Drosera Magnifica In Cultivation

    A bit of feedback...... a few plants are in the greenhouse in various soils and aspects. One is in an internal north-west household windowsill under a bell-cloche with ventilation, and stood in a small amount of water in a perlite-based soil, and in a small, 3 inch, regular-dimensioned pot. That plant indoors has not been subjected to very high temperatures. However, it is doing by far the worst and may now be almost dead after 2 weeks. I think this must be lack of light, or possibly lack of airflow under its cloche. I'm going to move it into the greenhouse shortly to see if it prefers it there. The other plants are in the greenhouse on the tray system, which has been over 30C most days since they have been in there - we are having a heatwave. They all get very good light and the vents and door have been open as much as possible, and are in a few different soil mixes, all very open, and all in long pots. Two are not thriving but are not dying - just sort of sitting there grumpy. The third is growing. The only difference for that third one is that it is in a long clay pot with no draining hole (the idea is that the clay will percolate enough water from the tray to keep the soil moist while never getting wet) and has a little more dappled shade, especially on its pot. I think from this that cool roots may be useful for the plant - the clay wicks water away and cools the roots via evaporation.. I will feed back any more brainwaves I have based on what I see from these plants over time. (It could all just be random based on varying levels of root discomfort during shipping and transplanting!)
  12. Rob-Rah

    Where's my rain?

    On the purity issue.... I'm not sold on ultra pure on a regular basis. The plants cope with rotting vegetation around them in the wild and some degree of dissolved salts in the surface water. Surely *some* minerals are essential for the plants. It's only certain chemicals they have no tolerance to. However, we're not usually growing in inorganic media so maybe it's OK.
  13. Rob-Rah

    Where's my rain?

    New RO unit now hooked up. TDS around 2-5. Super. Filling up my water butts now. :)
  14. Rob-Rah

    Where's my rain?

    I did look into just purchasing 1000 L deionised water industrially in a big tank - a few hundred quid (but you get to sell the tank which is worth quite a bit).
  15. Rob-Rah

    Where's my rain?

    It's being returned. Flow rate is all spot on and nothing is going wrong in terms of the mechanics, the unit is simply not filtering. I'll buy another one. This is very annoying. Thank god I bought a TDS meter......