redtea / Getty ImagesThere are few things more on trend than grass-alternative lawns right now; between wanting something lower maintenance and lower cost, different options like clover, chamomile, and creeping thyme are looking much more appealing to the average homeowner.Irish moss is one green lawn alternative that will keep maintenance and cost low, all without sacrificing a verdant welcome to a home. Learn more about how an Irish moss lawn compares as an alternative to grass, and whether it’s the right move for you.What Is Irish Moss?Irish moss (Sagina subulata) is a low-maintenance groundcover that—although it has it in the name—is not actually a moss; this lush, evergreen perennial is actually a member of the carnation family. Because Irish moss is not a true moss, its care needs and maintenance are different from those of a moss lawn.Due to its growing habits, Irish moss is most frequently used in rock gardens, as edging, between pavers, and as a lawn substitute. It can tolerate foot traffic and is adaptable to sandy, loamy, and even chalky soils as long as it has adequate nutrients.Want more gardening tips? Sign up for our free gardening newsletter for our best growing tips, troubleshooting hacks, and more!Why Irish Moss Lawns Are PopularVladimir Zapletin / Getty ImagesWhile Irish moss lawns are increasing in popularity, it’s important to take all factors into account to decide if this is the right decision for your needs and space. Consider the pros and cons, and whether you have the right environment to foster a successful Irish moss lawn.Pros of an Irish Moss LawnLow maintenance. Aside from regular watering, this perennial will be ready to grow in almost any conditions you provide it. If growing in USDA Zones 7 and up, just be sure it receives some afternoon shade.Pest and disease resistant. Irish moss is generally pest- and disease-resistant, making it a great alternative to grass. It is usually only afflicted by slugs, which can be easily managed, or crown rot due to overwatering.Flowers. This groundcover blooms small, white flowers in the spring and summer.No replanting. As a perennial, Irish moss will come back every year as long as it is provided with adequate care.Tolerates poor soil. Though it does need nutritional soil (without too much nitrogen), as long as the nutrients needed are present, Irish moss will grow in almost any kind of soil—sandy, loamy, clay, or otherwise.Cons of an Irish Moss LawnBecause Irish moss can be sun-sensitive in warmer climates, it is usually better suited for smaller-sized lawns within its range (USDA Zones 4-8) or planted in areas that receive light afternoon shade.Both over- and underwatering can lead to brown patches. It needs consistent watering to where the soil is moist but not waterlogged; this usually means watering thoroughly two or three times per week.Too much nitrogen in the soil can cause Irish moss to grow in clumps as opposed to spreading, so it’s important to keep an eye on nitrogen levels and correct with fertilizer as needed.Seeds as FeedIrish moss lawns can be hard to grow from seed, but only because birds love to eat it.How to Plant Irish MossArtverau / Getty ImagesPlant Irish moss in spring or early summer when working with plugs or transplants. Though the process is simple, ensure you have enough to cover the area you are working with.Prepare the soil. If needed, work some compost into the top six inches of soil. Water so that the planned area is evenly moist.Dig planting sites and transplant. Using a shovel or just your hands, dig holes large enough for the plugs and their root systems—about 2-4 inches deep. For a large area, space the plugs/transplants 8-10 inches apart; for faster cover, plant 6-8 inches apart.Fill in soil. Tamp down soil around the plant.Water. Keep the soil evenly moist for two weeks after planting.How to Care for an Irish Moss LawnHere are a few things you can do to maintain an Irish moss lawn for optimal presentation:Keep an eye on how your plant responds to watering. Both over- and underwatering can lead to brown spots, though overwatering can also cause yellowing if crown rot is developing.There is no need to prune or mow Irish moss, though it can be done for aesthetic purposes if one would like to.If checking for slugs or general moisture levels, always be sure to return any lifted moss back close to the ground.Advice on Buying Irish MossSeeds vs. plugs: Though plugs are more convenient, they are also more expensive. If you want to grow Irish moss from seed but wild birds are getting to it first, consider starting your own transplants indoors.Irish vs. Scotch moss: Many people conflate Irish and Scotch moss, and although they share similarities, these plants are different from one another. Ensure your seller differentiates between the two and that you’re buying the plant you want.Calculate your bulk: Before buying plugs, check the area you are trying to cover and calculate the math for how many you will need according to the area and chosen spacing.Read the original article on The Spruce