In early to mid-summer, hundreds of tiny pineapple-shaped flowers rise above the turf canopy and open. It has puckered leaves and a square stem characteristic of mints. What It Looks Like: Like many lawn weeds with purple flowers, Healall is a member of the mint family. Serious infestations may result in turf removal being needed. It is hard to detect these weeds and they can very easily take over your entire lawn. These weeds thrive in ideal conditions for a healthy lawn and grow below the turf canopy. Healall grows quickly in the cool, moist environment of spring and quickly outcompetes your turf for nutrients. What It Does: These are dangerous lawn weeds with little purple flowers that can cause serious harm to your turf. If there is a large area, you can apply a post-emergent or pre-emergent depending on the time of the season. How to Get Rid of It: This annual has a very weak taproot, so hand pulling is very easy. Purple Deadnettle blooms in April and produces small tubular-shaped purple flowers. It is not related to the nettle and will not sting you. While this purple weed’s leaves resemble that of nettles. What It Looks Like: A member of the mint family, the Purple Deadnettle has a square stem and triangular leaves. This leads to blotches of yellow throughout your lawn. They self-seed and die off in the summer heat. Taking advantage of the lack of competition, this winter annual grows quickly in the cool spring months. What It Does: If you see little purple flowers in the grass in early spring then this weed is most likely the culprit. By preventing seed development and attacking root growth, you can manage these weeds. To completely eradicate Creeping Thistle, you will need to apply herbicides through the fall and winter and practice low cutting when the weeds are pre-flower. How to Get Rid of It: Lawn weeds with purple flowers can be tough to remove. The purple flowers are tear-shaped and bloom in early summer. The leaves are lance-shaped, slanted and have spiny-toothed leaf margins. The purple flowers turn to seeds in the late summer and resemble giant dandelions. What It Looks Like: Creeping Thistle can grow to be 5ft tall and produces clusters of small purple flowers. These plants produce fluffy, white seed heads in the late summer. It has a fast-growing root system that continuously produces new stems that shoot up and colonize larger areas. What It Does: Also known as Canadian thistle, they are aggressive perennial weeds that can invade open areas and can choke out your lawn. Applying a broadleaf herbicide, during the dormant stage in summer, is your best chance of destroying this weed. Unless it is the very beginning of an infestation, removing the whole plant will be too difficult. How to Get Rid of It: Hand pulling these lawn weeds with small purple flowers can be a hassle. The small flowers form a four-lobed head and bloom in late spring or early summer. They produce tiny purple flowers that bloom from the top leaf axil. These weeds have thin green stems that can grow erect or fall flat. What It Looks Like: A member of the mint family, Creeping Charlie has tiny, green, heart-shaped leaves with rounded teeth. Creeping Charlie goes dormant in the middle of the summer before growing again as the temperatures cool. With a matting growth pattern, these weeds propagate by rhizomes, creeping stems, and seeds, allowing them to spread across large areas of your lawn in just one season. What It Does: Fast-spreading and low-growing, these lawn weeds with little purple flowers can quickly smother your turf if left alone. That’s what I’m going to try and help you with below. The first step is knowing what the weeds with purple flowers are called, and then how to get rid of them. Other weeds are highly poisonous or can cause skin irritation. Some of the nastier purple weeds can intertwine with your lawn making it impossible to remove. A Closer Look at Lawn Weeds with Purple FlowersĪ common characteristic of weeds with purple flowers on your lawn is that they tend to creep onto weakened turf. High-growing lawn weeds with small purple flowers like Musk Thistle and Black Nightshade can infiltrate your lawn if you’re not careful, and Wild Violet and Morning Glory also produce purple flowers. 2.9 Morning Glory (Ipomeia purpurea) Most Common Lawn Weeds with Purple Flowers (Short Answer)Ĭreeping Charlie, Creeping Thistle, Purple Deadnettle, Healall, and Forget-Me-Nots can all sneak onto a lawn.
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