Trollius altaicus or Siberian Globeflower is native to Europe and Asia. It is part of the Ranunculaceae family of plants. It is native to Kazakhstan, and from Siberia to Mongolia. Trollius altaicus is a clump-forming herbaceous rhizomatous perennial ideal for bog gardens. Trollius altaicus prefers moist conditions even wet soils. Plant it near ponds or streams.
It produces bright yellow flowers on erect stems with reddish-black stigmas. Trollius altaicus flowers in late spring to late summer. Deadhead flowers to prolong blooming season. Trollius altaicus can grow to 90cm or 3ft tall. The foliage is attractive, it has serrated leaves, petiolate and deeply fringed and grows rather bushy.
Plant Trollius altaicus in the sun but provide some shade in the afternoon, otherwise it does well in partial shade, however keep it constantly moist. Use humus-rich peat moss when planting. Propagate Trollius altaicus by division every few years in late summer or early spring or by seed in summer but freeze the seeds for couple of days prior to sowing, it could take 6 weeks to germinate. It is frost hardy to 5ºF or -15ºC.