Whoever named this stunning cosmos cultivar got it just right! If you're looking for a cosmos variety that is both beautiful and unconventional, Bright Lights may be for you. View Map & Key. SulphurCosmos Planting Information. Planting details can vary based on your region, site conditions, and seed mix. These cosmos are wonderfully easy, drought-tolerant, and disease-resistant. A lacy-leaved and flat-bloomed answer to calendula (in the same terrific golden hues). Discover Pinterest’s best ideas and inspiration for Sulphurcosmos. Get inspired and try out new things. SulphurCosmos Seeds, SulphurCosmos, Orange and Yellow Cosmos, Customer Photo by Martha Lyle. SulphurCosmos is an improved native wildflower that originates from Central America, where it thrives in hot, arid climates. Sulphur Dwarf Orange Cosmos Seeds (Cosmos bipinnatus) 100+ Non-GMO Seeds per Packet by Islas Garden Seeds, Bright and Compact Blooms, Perfect for Garden Borders and... About - The perfect addition to any sunny meadow or garden, SulphurCosmos light up the mid-season garden, blooming a stunning orange and yellow all the way into the fall. Plant SulphurCosmos in a sunny spot with dry to medium, well-drained soil for optimal growth. It thrives in zones 2 to 11 and can withstand poorer soils without compromising on its...