The following is a checklist (with comments) of the major weeds occurring throughout the year at the Garden of Grace:
Amaranthaceae, Amaranth Family
Red-root pigweed, Amaranthus retroflexus, extremely abundant in beds during warm season.
Asteraceae, Sunflower Family
Bristly Ox-tongue, Picris echinoides, occasional seedlings in beds.
Common groundsel, Senecio vulgaris, occasional in beds, very common in periphery.
Prickly Lettuce, Lactuca serriola, widespread in beds, closely resembling a lettuce seedling (occasionally left in place by weeding personnel in the lettuce beds)
Yellow Starthistle, Centaurea solstitialis, a few plants in the vicinity of the fire pit and peripheral to the K-beds.
Brassicaceae, Mustard Family
Charlock, Sinapis arvensis, formerly a large population to the east of the fire pit, now largely removed during formation of JA bed.
Shepard’s Purse, Capsella bursa-pastoris, only one plant seen on N end of beds.
Caryophyllaceae, Pink Family
Chickweed, Stellaria media, abundant peripherally, especially in the adjacent community garden.
Chenopodiaceae, Goosefoot Family
Lamb’s Quarters, Chenopodium album, occasional in beds.
Convolvulaceae, Morning-Glory Family
Field bindweed, Convolvulus arvensis, both perennial shoots and seedlings widespread. A major nuisance in beds.
Fabaceae, Pea Family
California burclover, Medicago polymorpha, occasional in beds.
Geraniaceae, Geranium Family
Storksbill, Erodium cicutarium, extremely abundant in the north boarder area and also W of the K-beds.
Lamiaceae, Mint Family
Henbit, Lamium amplexicaule, a major weed in beds.
Malvaceae, Mallow Family
Cheeseweed, Malva parviflora, common weed in beds and aisles.
Myrsinaceae, Myrsine Family
Scarlet Pimpernel, Anagallis arvensis, rare weed in beds.
Oxaliadaceae, Wood Sorrel Family
Creeping woodsorrel, Oxalis corniculata, minor weed in beds.
Polygonaceae, Buckwheat Family
Prostrate knotweed, Polygonum aviculare, (UCIPM lists as P. arenastrum, which is now a synonym of P. aviculare subsp. depressum in Jepson Manual 2nd ed.), very abundant prostrate weed on periphery of garden.
Portulacaceae, Purslane Family
Purslane, Portulaca oleracea, formerly abundant on the site of the K-beds, now largely peripheral S of the old fence.
Urticaceae, Nettle Family
Dwarf Nettle, Urtica urens, infrequent in beds.
Zygophyllaceae, Caltrop Family
Puncturevine, Tribulus terrestris, occasional weed in peripheral areas: near fire pit, S of old fence line, S of new fence line, N of community gardens and GOG.
Poaceae, Grass Family
Annual bluegrass, Poa annua, abundant in all areas.
Crabgrass, Digitaria sanguinalis, common in most beds, grows well in shade.
Bermuda Grass, Cynodon dactylon, common along old fence line, especially S of CDE3 and AB10 beds.
Wild oat, Avena fatua (ID provisional), adults growing among the charlock and along old fence line.