Rare Annuals Cupcake Blush Cosmos (Cosmos bipinnatus ‘Cupcake Blush’) Growing Zones: 2 through 11. The 2020 version lists 81,000 plants … The most common rare houseplants … The night-blooming cereus lily Adobe. Nov 8, 2020 - These unique and unusual plants are so much fun to grow. We have an inner need to care for something, and house plants offer that outlet. The cupcake blush strain of cosmos is a fairly newly developed variety, but gardeners love it because it’s just as easy to grow as the cosmos plants … 2. Well you're in luck, because here they come. Plants are a way to beautify your space, get in touch with nature, and best of all, they give you something to do. It’s available to buy from the AGS shop (and members get a 20% discount!).. A rare houseplant’s lesson on survival ... July 24, 2020, 3:00 a.m. See more ideas about unusual plants, plants, house plants. Did you scroll all this way to get facts about rare houseplants? There are houseplants, and then there is the night-blooming cereus lily, which … The Plant Finder is a book by the Royal Horticultural Society that’s published annually. Check Out the RHS Plant Finder. There are 5088 rare houseplants for sale on Etsy, and they cost $29.23 on average.