That weed with the purple spherical flower looks like an Allium. They are commonly used as border plants for their ornamental flowers. As flowers they are cultivated as hybrids, with "Purple Sensation" being one of the most popular. They are commonly used in gardening around homes and they do tend to show up in unexpected locations due to intervention by animals (squirrels will relocate the bulbs and birds will ingest and seeds and defecate them in remote locations). The seeds are very fine and are subject to scattering by the wind, with the result that the plants tend to move out of their desired location and can become troublesome garden weeds. Because they're a bulb, they're easy to eradicate if you catch them before they go to seed. If they go to seed then you'll have to deal with them next spring. The seeds will spread quickly and I have border plantings that have gone rouge and have moved out into the lawn where they are controlled by mowing.
That weed with the purple spherical flower looks like an Allium. They are commonly used as border plants for their ornamental flowers. As flowers they are cultivated as hybrids, with "Purple Sensation" being one of the most popular. They are commonly used in gardening around homes and they do tend to show up in unexpected locations due to intervention by animals (squirrels will relocate the bulbs and birds will ingest and seeds and defecate them in remote locations). The seeds are very fine and are subject to scattering by the wind, with the result that the plants tend to move out of their desired location and can become troublesome garden weeds. Because they're a bulb, they're easy to eradicate if you catch them before they go to seed. If they go to seed then you'll have to deal with them next spring. The seeds will spread quickly and I have border plantings that have gone rouge and have moved out into the lawn.
