- Like lisianthus, trachelium has very small seeds that need to be pelleted to be visible.
- Germination takes 2 weeks, and seedling growth is also slow, requiring 10 to 12 weeks from sowing to transplanting.
- Seed should be sown on the soil surface, since seed requires light for germination.
- Seedling growth conditions are not as exacting as for lisianthus, but they should be grown at 70 F day , 60 F night temperature.
- Spacing of 9 x 9 in. on a 4-ft. bed produces good yield of high quality stems.
- First harvest comes about 10 weeks after transplanting in the high tunnel, and continues until early to mid-October.
- Stems are stiff and erect, and do not require support.
- Flower quality with regard to stem length and vibrant colors is much better in the high tunnel than when grown outdoors.
- Variety choices for Northeastern conditions are relatively limited due to the long growing season required for this crop.
- Flower colors are limited to greenish-white, pink, blue and dark purple.
- Flowers make excellent fillers in arrangements with lisianthus.
- Trachelium has a vase life of 2 weeks in water.
- Flowers should be harvested when one quarter of the florets are open.
For more information, see: Armitage, A.M. and J.M. Laushman. 2003. Specialty Cut Flowers, 2nd Edition. Timber Press, 586 pp. Available through ASCFG.