Thread-leaved Sundew Seeds

Drosera Filiformis Seeds (Thread-leaved Sundew)

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Requires consistently moist soil; do not let dry out between waterings. Water must be distilled or rain water because they do not tolerate city or hard water.

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Drosera filiformis, the Thread-leaved Sundew is a temperate Drosera. It is native to United States and can reach 5 to 10 inches in height. You can see it in bogs. Actual leaf thickness is about 3/32 inch. The narrow green leaves are upright and covered with hundreds of tiny red hair-like structures, which are in turn covered by a mucilage in which insects are trapped and then digested. Enzymes are produced by the hairs which dissolve the insect, which is then absorbed by the leaf. Small, 3/8 to 1/2 inch across, lavender-pink flowers appear on thin stalks, from April to September. Many flowers are produced on each spike. Drosera filiformis flowers come in several shades, including white. Hardiness zone 7, (-15°C/5°F) in Winter. They should be grown in bright light, but with protection from full midday sun. In cloudy coastal areas, artificial light is a required. They like cool temperatures. Temperatures should be kept between 20°C/68°F, 25°C / 80°F. The soil should be a mixture of 2 parts peat moss and part sand, or 50/50. Drosera filiformis appreciates a tall pot. They require seasons in order to survive long term. They need a dormant period of about 3 months in the Winter. The typical heated home is too warm in the Winter. During the Winter the pots should not sit in water and need to be kept cool. The entire planter may be moved to an area where the temperature will remain at 8-10°C / 45-50°F. It doesn't even mind a light frost. Protect from dry freezing wind during deep freezes by covering the plant with black plastic. At this time the compost should be allowed to dry slightly. Uncover the plant when the deep freeze and dry freezing wind is over. Requires consistently moist soil; do not let dry out between waterings. Water must be distilled or rain water because they do not tolerate city or hard water. It is a good idea to place a pie pan or large saucer, with about an inch of water in it, under the pot. Elevate the pot by placing pebbles under it so that the base of the pot is barely in contact with the water, not submerged; the growing medium must stay moist, but never soggy. This will keep the humidity around the plant higher and it will ensure that the plant has a constant source of moisture. The humidity should be between 60-80%.
Label Drosera Filiformis
Common name the Thread-leaved Sundew
Family No
Genus Drosera
Species Drosera filiformis
Cultivar No
Therapeutic uses No
Germination The seeds require 6 weeks cold stratification. Sow directly on the surface of your moist but not soaked soil mix. Do not cover them with any medium, the seeds are really tiny. Once it's time to take the seeds out of cold stratification, cover the top of the pot with clear plastic so the humidity will remain high, place them in an area with real nice strong light and keep the temperature around 20°C/68°F, 25°C / 80°F. Make sure to be gentle at all time with the new seedling, to not destroy it, it is very small.

When you see some tiny plants starting to sprout, slowly open the top of the pot, a little each day, so that the new seedlings don't go into shock from the humidity being lowered too quickly. After cold stratification, germination usually occurs in 1 to 3 months, but it can take longer, depending on their degree of unbroken dormancy, don't give up. Be gentle with the new seedlings, not to destroy anything. Make sure that it gets good air circulation.
Scarification / Stratification It creates a cold and moist environment for the seeds. This will break their dormancy. Place the seeds on top of a prepared soil mix. The pot is then placed into a ziplock bag with approximately an inch of water on the bottom of the bag. Close the bag shut and place it into the salad crisper compartment of your refrigerator. Make sure to check the seeds often. If fungus or mold appears treat it with a fungicide.

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