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The Weed of the Month series
by Arthur Lee Jacobson

Seattle Tilth's Demonstration Garden Weed Patch, was initiated on April 2nd, 1982. During October and November of 1985, a new location, larger and more varied in soil types, was made for the patch. On that date 55 different kinds of weeds were present, each with a name tag. As Tilth members and visitors often desired to know more about a given weed than its name and appearance --both pieces of information available at the patch-- the Seattle Tilth Newsletter featured one weed per issue, space permitting. The articles were written by Arthur Lee Jacobson, and illustrated variously, as noted following.

    Article word counts range from 142 (Crabgrass) to 930 (Broad Dock/Curly Dock). The final article (100th weed) was in the August 1995 Newsletter. The versions on this website are usually altered and often improved from the newsletter originals, and are not all illustrated, alas (all but a couple are). In my book Wild Plants of Greater Seattle these articles were additionally polished, edited, manipulated and squeezed. Not to mentioned illustrated anew. For more information about Tilth's weed patch, click here.

Bittersweet NIGHTSHADE Solanum Dulcamara (November 1985) illustrated by Jerri Geer
SHEPHERD'S PURSE Capsella Bursa-pastoris (January 1986) illustrated by Jerri Geer
CHICKWEED Stellaria media (February 1986) illustrated by Jerri Geer
GROUNDSEL Senecio vulgaris (March 1986) illustrated by Jerri Geer
THALE CRESS Arabidopsis Thaliana (April 1986) illustrated by Jerri Geer
Red DEAD-NETTLE Lamium purpureum (May 1986) illustrated by Jerri Geer
BLUEBELL Hyacinthoides hispanica (June 1986) illustrated by Jerri Geer
Lawn DAISY Bellis perennis (July 1986) illustrated by Jerri Geer
LAMBSQUARTERS Chenopodium album (August 1896) illustrated by Jerri Geer
PURSLANE Portulaca oleracea (September 1986) illustrated by Jerri Geer
TEASEL Dipsacus fullonum (October 1986) illustrated by Jerri Geer
English PLANTAIN Plantago lanceolata (November 1986) illustrated by Jerri Geer
HERB ROBERT Geranium Robertianum (December 1986) illustrated by Jerri Geer
Wild GARLIC Allium vineale (January 1987) illustrated by Jerri Geer
BITTERCRESS Cardamine hirsuta (February 1987) illustrated by Jerri Geer
YARROW Achillea Millefolium (March 1987) illustrated from a book
DANDELION Taraxacum officinale (April 1987) illustrated from a book
Lawn VERONICA or SPEEDWELL Veronica filiformis (May 1987) illustrated by Jerri Geer
Creeping BUTTERCUP Ranunculus repens (June 1987) illustrated by Jerri Geer
Wild MORNING-GLORY Calystegia sepium (July 1987) illustrated by Jerri Geer
Canada THISTLE Cirsium arvense (August 1987) illustrated by Jerri Geer
BURDOCK Arctium minus (September 1987) illustrated by Jerri Geer
Field MUSTARD Brassica Rapa var. campestris (October 1987) illustrated by Jerri Geer
QUICKWEED Galinsoga quadriradiata (November 1987) illustrated from a book
CAT'S-EAR Hypochaeris radicata (December 1987) illustrated from a book
PEARLWORT Sagina procumbens (January 1988) illustrated from a book
Annual BLUEGRASS Poa annua (February 1988) illustrated by Jerri Geer
Petty SPURGE Euphorbia Peplus (March 1988) illustrated from a book
Prickly LETTUCE Lactuca Serriola (April 1988) illustrated by Sylvan Haven
HEART'S-EASE Viola tricolor (May 1988) illustrated by Sylvan Haven
Giant HOGWEED Heracleum Mantegazzianum (June 1988) illustrated by Sylvan Haven
FOXGLOVE Digitalis purpurea (July 1988) illustrated by Sylvan Haven
FIREWEED Epilobium angustifolium (August 1988) illustrated by Sylvan Haven
QUACKGRASS Elytrigia repens (September 1988) illustrated by Sylvan Haven
CRABGRASS Digitaria sanguinalis (September 1988) illustrated by Sylvan Haven
FEVERFEW Tanacetum Parthenium (October 1988) illustrated by Sylvan Haven
Sheep SORREL Rumex Acetosella (November 1988) illustrated by Sylvan Haven
Red CLOVER Trifolium pratense (December 1988) illustrated by Annie Figliola
IVY Hedera Helix (January 1989) illustrated by Annie Figliola
Creeping Yellow or Damn SORREL Oxalis corniculata (February 1989) illustrated by a photocopied plant
Common VETCH Vicia sativa (July 1990) illustrated by Annie Figliola
QUEEN ANNE'S LACE Daucus Carota (September 1990) illustrated by Annie Figliola
HORSEWEED Conyza canadensis (October 1990) illustrated by Annie Figliola
Himalaya BLACKBERRY Rubus armeniacus (November 1990) illustrated by Annie Figliola(?)
Common HORSETAIL Equisetum arvense (December 1990) illustrated from a book
FENNEL Foeniculum vulgare (January 1991) illustrated by Annie Figliola
Scotch BROOM Cytisus scoparius (February 1991) illustrated from a book(?)
Common RUSH Juncus effusus (March 1991) illustrated by Annie Figliola
BRACKEN Pteridium aquilinum (April 1991) illustrated by Annie Figliola
Wild CLEMATIS Clematis Vitalba (May 1991) illustrated from a book
Curly and Broad DOCK Rumex crispus and R. obtusifolius (June 1991) illustrated by Arthur Lee Jacobson
Scarlet PIMPERNEL Anagallis arvensis (July 1991) illustrated by Annie Figliola
Poison HEMLOCK Conium maculatum (August 1991) illustrated by Colleen Schell
PINEAPPLE WEED Matricaria discoidea (September 1991) illustrated by Alice Dubiel
Black BINDWEED Polygonum Convolvulus (October 1991) illustrated by a photocopied plant
NIPPLEWORT Lapsana communis (November 1991) illustrated by Alice Dubiel
Bull THISTLE Cirsium vulgare (December 1991) illustrated from a book
MULLEIN Verbascum Thapsus (January 1992) illustrated from a book
CLEAVERS Galium Aparine (February 1992) illustrated from a book
Japanese KNOTWEED Polygonum cuspidatum (March 1992) illustrated from a book
Lawn GERANIUM Geranium molle (April 1992) illustrated from a book
SOW THISTLE Sonchus oleraceus (May 1992) illustrated from a book
Creeping BELLFLOWER Campanula rapunculoides (June 1992) illustrated from a book
HEAL ALL Prunella vulgaris (July 1992) illustrated from a book
Hedge MUSTARD Sisymbrium officinale (August 1992) illustrated from a book
Black and Hairy NIGHTSHADE Solanum nigrum and S. physalifolium (September 1992) illustrated from a book
MALLOW Malva neglecta (October 1992) illustrated from a book
Dwarf FIREWEED Epilobium ciliatum (November 1992) illustrated from a book
Oxeye DAISY Leucanthemum vulgare (December 1992) illustrated from a book
Broad PLANTAIN Plantago major (January 1993) illustrated from a book
TANSY Tanacetum vulgare (February 1993) illustrated from a book
Ripgut GRASSES Bromus diandrus, B. rigidus, B. sterilis (March 1993) illustrated from a book
FILAREE Erodium cicutarium (April 1993) illustrated from a book
Thymeleaf SPEEDWELL Veronica serpyllifolia (May 1993) illustrated from a book
Orange HAWKWEED Hieracium aurantiacum (June 1993) illustrated from a book
ST. JOHN'S-WORT Hypericum perforatum (July 1993) illustrated from a book
MUGWORT Artemisia vulgaris (August 1993) illustrated from a book
Tansy RAGWORT Senecio Jacobæa (September 1993) illustrated from a book
Ceeping KNOTWEED Polygonum arenastrum (October 1993) illustrated from a book
Marsh CUDWEED Gnaphalium uliginosum (November 1993) illustrated from a book
PEARLY EVERLASTING Anaphalis margaritacea (December 1993) illustrated from a book
Toad RUSH Juncus bufonius (January 1994) illustrated from a book
Henbit DEAD-NETTLE Lamium amplexicaule (February 1994) illustrated from a book
Corn SPURRY Spergula arvensis (March 1994) illustrated from a book
Black MUSTARD Brassica nigra (April 1994) illustrated from a book
Orchard GRASS Dactylis glomerata (May 1994) illustrated from a book
SALSIFY Tragopogon porrifolius (June 1994) illustrated from a book
GOLDENROD Solidago canadensis (July 1994) illustrated from a book
Smooth HAWK'S-BEARD Crepis capillaris (August 1994) illustrated from a book
Corn BINDWEED Convolvulus arvensis (September 1994) illustrated from a book
White SWEET-CLOVER Melilotus albus (October 1994) illustrated from a book
LADY'S THUMB Polygoum Persicaria (November 1994) illustrated from a book
KNAPWEED Centaurea spp. (December 1994) illustrated from a book
CHICORY Cichorium Intybus (January 1995) illustrated from a book
NETTLE Urtica dioica (February 1995) illustrated from a book
Little HOP-CLOVER Trifolium dubium (March 1995) illustrated from a book
Black MEDICK Medicago lupulina (April 1995) illustrated from a book
Velvet GRASS Holcus lanatus (May 1995) illustrated from a book
COTTON-BATTING PLANT Gnaphalium stramineum (June 1995) illustrated by Arthur Lee Jacobson
Green AMARANTH or PIGWEED Amaranthus Powellii (July 1995) illustrated from a book
Hairy HAWKBIT Leontodon saxatilis (August 1995) illustrated from a book

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Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert
Arthur Lee Jacobson plant expert

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