Drosera capensis color

D. capensis 'Alba' under grow light

D. capensis ‘Alba’ under grow light

As mentioned numerous times, I’ve used two LED chips as growing light for quite a while. To induce coloring on Drosera seedlings, I decided to use cool and warm white LED chip, and they worked good enough. The regular Drosera capensis seedlings were getting red tentacles, Drosera capensis ‘Alba’, on the other hand, remained white, despite showing some pink coloring while positioned outdoors for the summer. All the plants have been growing OK, but Drosera seedlings did suffer a bit when I got them inside for the winter and started to get pale, lost some of their vigor and had hard time flowering.

Drosera capensis before

Regular Drosera capensis before changing its grow light with 380 – 840nm LED chip


Drosera capensis under new light


D. capensis under new grow light


Drosera capensis 'alba' before

Drosera capensis ‘alba’ before

Alba under grow light

Alba under grow light

Drosera capensis 'Alba' under new LED

Drosera capensis ‘Alba’ under new LED

When I found extremely good offer from Chinese vendor on-line for a full spectrum 380-840nm grow light, I decided it’s worth a try. I placed two weaker, 50W LED chips, instead of two 100W white LEDs. The light intensity was seemingly lower, but after a minute spent around the plants, and leaving the room, I could see that normally lit room suddenly appeared dark. Well, beside that, colors were completely screwed for a couple of minutes due to brains correcting algorithms :).
After 14 days under new grow lights, Drosera seedlings got noticeably more colored. Regular Drosera capensis was dark red, looking almost like the red variety and Alba finally got the pink color. Both varieties also began to start growing flower stalks, which might indicate they like their new grow light.

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2 thoughts on “Drosera capensis color

    1. tarzan

      The color of the light is purple. It’s mix of blue and red wavelengths which are absorbed the most by chlorophyll pigment in chloroplasts. It’s pain in the ass at first before your eyes adapt to the strange new light, and if you are exposed to it for a while, you see colors distorted even after you leave the grow room. 🙂 After a while, you adapt and can be in the room for long time and don’t have any issues. Our brains are quite fascinating. 🙂


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