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4-H Youth Development Home »  4-H Projects » Plants

Plants Category A: Vegetables

Note: the small images shown in each category can be clicked on to see a larger version of the same image in a pop-up window.

Category A: Vegetables 
Artichoke, Asparagus, Basil, Bean, Beet, Broccoli, Brussel Sprout, Cabbage, Carrot, Cauliflower, Celery, Chayote, Chinese Cabbage, Chives, Collard, Corn, Cucumber, Dill, Eggplant, Endive, Garlic, Kale, Kohlrabi, Leek, Lettuce, Muskmelon, Mustard, Okra, Onion, Parsley, Parsnip, Peas, Pepper, Potato, Radish, Rhubarb, Rutabaga, Sage, Spinach, Squash, Sweet Potato, Swiss Chard, Tomato, Watermelon

Artichoke  (Globe or Jerusalem) 

Leaf:
Pinnately lobed or divided, large, somewhat spine, grayish-green above, whitish beneath with densely woolly hairs, lower leaf to 3 feet. 

Flower: 
Heads large, terminating on branches, bracts forming thistle-like flowers. Flowers are violet, blue, white or yellow. 

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Artichoke, view 1 
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artichoke, view 2 
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artichoke, view 3
Asparagus  
Stem: 
Young shoots bear prominent scale like leaf flat against the shoot, 
Mature plants are erect and much branched 

Leaf: 
Threadlike, to 1/2 inch long, one to several in the axil 

Root: 
Fleshy, forming a cluster of long cord-like roots 

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asparagus
Basil 
Leaf: 
Petioled, football or egg shaped, to 5 inch long, toothless or toothed, very fragrant, purple in some cultivars 

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basil
Bean (bottom of photo) 
Green, yellow, waxy, kidney, lima, scarlet runner, purple or mottled with bright rose-red 

Leaf: 
Pinnately (feather formed), usually compound with leaflets in threes. Stem entwine around supports and enables climbing. 

Fruit: 
Pods with a single seam joining its two segments 

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bean
Beet (bottom of photo) 
Leaf: 
Alternate, egg to oblong egg shaped, commonly reddish, veined, toothless, with a waxy margin, arising directly from root. 

Seed: 
Brown, aggregate (2-5 clumped together) of seeds. Resembles grape-nuts. 

Root: 
Short or cylindrical, fleshy, globe shaped; white, yellow, pink, dark red 

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beet
Broccoli 
Leaf: 
Long, oblong or oval, thick, fleshy, covered with a bloom; 6-20 inch long with ear-like lobes prominent toward leaf base. 

Flower: 
Yellow when not harvested as an immature solid head 

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broccoli
Brussel Sprouts 
Stem: 
Simple and erect, 2-3 feet tall, bearing little heads or buds/sprouts about 1" in diameter in the axils. 

Leaf: 
Short and broad or circular, about as broad as long, often with ear like lobes at base of leaf blade. 

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brussel sprouts
Cabbage 
Leaf: 
Covered with a bloom, thick, fleshy, large (up to 1 foot across), mostly oblong, egg shaped, little to no lobes at base, may be clasping, green or purple. 

Seed: 
Round; reddish, brown 

Head: 
Short, dense, green or red 

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cabbage
Carrot 
Stem: 
Bristly with erect, much branched stem from a thick, fleshy tap-root 

Leaf: 
Finely cut, triangular in outline,  mostly on large petioles which are expanded at base, appearing almost fernlike 

Flower: 
White or yellowish, small and numerous 

Root: 
Linear or elongated, fleshy, commonly orange, but can also be reddish. 

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carrot, view 1

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carrot, view 2

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carrot, view 3

Cauliflower 
Fruit: 
White, green or purple head overtopped by lower leaf 

Leaf: 
Long-oblong or oval, strongly ascending, thick, fleshy; to 20 inches long, may be clasping 

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cauliflower
Celery 
Stem: 
Hairless biennial, having basil stems; erect branching petioles; 2-3 feet high; many grooved, conspicuously jointed 

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celery
Chayote (Sechium edule) 
This cucurbit has climbing vines and leaves resembling the cucumber. The light-green pear-shaped fruit, which contains a single flat edible seed, may weigh as much as 2-3 pounds (average is 8 ounces). Fruits are pale green to dark green, slightly flattened, sometimes grooved and prickly, but usually smooth. Flowers are large, yellow and cucumber-like.

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Chayote
Chinese Cabbage 
Leaf: 
Fleshy petioles with terminal lobed blade being larger and rounded, with some smaller lower lobes; soft with bristly hairs; margin wavy or obscurely toothed; petiole is broad, flat, with jagged wings; forms head of loose leaf 

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chinese cabbage
Chives 
Leaf: 
Firm tuft, basal bulb with grass like, hollow, string characteristic onion like odor; white clustered flowers when over mature 

Seed: 
Small, black seeds 

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chives
Collard 
Leaf: 
Thick, fleshy, egg to oblong shaped, 6-20 long, separate not making solid heads, covered with a bloom, wavy but not fringed or deeply cut 

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collard
Corn 
Leaf: 
One at every joint/node; long, sword or lower lanced shaped; pointed, curving with a midrib, leaf's base wraps around stem, 3 feet long to 4 inches wide 

Fruit: 
Ear, holding many rows of kernels, variously colored, enclosed by several bracts/leaf 

Seed: 
Flattened with round or wrinkled top 

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corn, view 1

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corn, view 2

Cucumber 
Leaf: 
Triangular to egg shaped; angled or 3-lobed with pointed sinus (where two lobes meet), middle point lobed; leaves feel gritty or rough to touch 

Fruit: 
Globe shaped to oblong and elongated, prickly with sharp black or white prickles; up to 3 feet; mottled pale yellow and green, white, commonly green; also lemon size and yellow 

Seed: 
Flat, white, 3/8 inch long 

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cucumber
Dill 
Leaf: 
Finely pinnately divided, almost thread like, ultimate divisions to 3/4 inch, strong characteristic odor 

Flower: 
To 6 inches across, yellowish, umbel; resembles Queen Anne's Lace 

Seed: 
Oval, flattened 

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dill
Eggplant 
Leaf: 
Alternate, simple, gray-woolly, thick and heavy, unequal at base, pointed and rounded at tip, obscurely angled or lobed 

Fruit: 
Large, oval, oblong or somewhat oval; 2 to 12 inches long, glossy; usually purple, but also white, yellow or striped 

Seed: 
Similar to tomato or pepper seeds 

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eggplant, view 1

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eggplant, view 2

Endive (Belgian, escarole) 
Leaf: 
Alternate, formal basal rosette, brittle, oblong, lobed or greatly cut or curled; forming heads about 1 1/2 inches across 

Seed: 
Long beaked with bristle like growth on one end, straw colored 

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endive
Garlic 
Leaf: 
Several from base or crown; flat, erect; 1 inch or less or wide; long pointed; strong characteristic odor 

Root: 
Roots below bulb; oval or glove shaped with several parts or cloves, all enclosed in a silky white or pink skin or leaf 

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garlic

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garlic, view 2

Kale 
Leaf: 
Thick, deeply cut and curled, covered with bloom; bluish-green; 12-16 inches ling; petiole shortened with blade oblong in outline, pinnate with enlarged terminal lobe; hairless at maturity; may be much colored and/or profusely lobed appearing skeleton like 

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kale, view 1

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kale, view 2

Kohlrabi 
Leaf: 
Thin; covered with bloom; 8-10 inches long of which 1/3 to 1/2 is slender margin less petiole; blades oval to oblong with irregular wavy margins 

Stem: 
Short that enlarges just above the ground into 2-4 inch globe; plant hairless throughout. Globe is light bluish-green or light red 

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kohlarabi, view 1

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kohlrabi, view 2

Leek 
Leaf: 
Flat; 6-9 per leek; overlapping, 2-3 feet long forming an edible stalk; strong characteristic odor 

Root: 
Below stalk, simple, little broader than the thick neck 

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leek
Lettuce 
Leaf: 
Alternate; vary in color, shape, and form; 5-12 inches long, thin; shape can be circular, oval or tongue shaped; plain, puckered, curled, fringed, wrinkled or lobed; form head or loose leaf 

Seed: 
Narrow and oblong; broadest toward tip; pointed on one end; straw colored or black 

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lettuce, view 1

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lettuce, view 2

Muskmelon (Cantaloupe) 
Leaf: 
Circular to nearly kidney shaped, 3-5 inches across, angled but not distincly lobed, rounded at tip, margin wavy toothed, hairy, gritty to touch 

Fruit: 
Various shapes, usually globe or oblong shape, furrowed, not spiny or prickled, hairy and becomes hairless, pronounced musky odor, yellow or green flesh, skin may be net ribbed 

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muskmelon
Mustard 
Leaf: 
Large, oval to broad, oblong to egg shaped; 6-12 inches long with about half as broad, thin, round tipped, pinnate with enlarged terminal lobe with margin that can be out, curled, wavy, narrow lobed, notched or scalloped margin 

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mustard
Okra 
Leaf: 
Large; strongly palmately (hand like); divided in 3-9 lobes; lobes narrow or broad; margins coarsely toothed 

Fruit: 
Long, ribbed beaked; light hairy or nearly hairless upright pod; 4-12 inches long; woody at maturity 

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orka, view 1

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orka, view 2

Onion 
Leaf: 
Direcly from bulb; linear; hollow; covered with a bloom; rounded, strong characteristic odor 

Root: 
Many roots below bulb covered with layers of paper skin 

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onion, view 1

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onion, view 2

Parsley 
Leaf: 
Scented; pinnately compound; deeply cut; curled in some cultivars, flat in some 

Seed: 
Conspicuously ribbed 

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parsley
Parsnip 
Leaf: 
Pinnately compund; 3-4 pairs of unstalked, oblong, toothed or lobed leaflets; leaflets 2-4 inches long; stem grooved and becoming hollow, branching, 3-5 feet high 

Root: 
Mostly hairless; white thickened taproot 

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parsnip
Peas 
Leaf: 
Alternate pinnate compound; stipules mostly larger than leaflets; leaflets in 1-3 pairs, egg shaped to oblong, end in a branched tendril 

Fruit: 
Flattened, many seeded pod with seam joining two halves; 2-6 inches long; straight on back; with or without a paper like lining 

Seed: 
2-10; wrinkled or plane 

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peas, view 1

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peas, view 2

Pepper 
Leaf: 
Alternate, simple, football shaped, toothless, 1-5 inches long, narrowed to petiole, usually pointed 

Fruit: 
Thick, fleshy; varies in color, size and shape; may be scented 

Seed: 
1/8 inch in diameter; flat; pointed tip on one end 

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pepper, view 1

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pepper, view 2

Potato (Irish) 
Leaf: 
Alternate; pinnately compound; 4-10 Inches long with 3-4 pairs of egg shaped pointed toothless leaflets with smaller leaflets between 

Fruit: 
Infrequently produced; globe shaped berry 3/4 inch or less in diameter; yellow or green 

Root: 
Fleshy variously shaped enlarged tuber; light and dark brown, tan, pinkish, blue, purple, very light yellow, ivory; eyes commonly evident 

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potato
Radish 
Leaf: 
Stalked, terminal lobe very large, 1-3 pairs of lobes below terminal lobe 

Root: 
Globe shaped to elongated; commonly red, white or black; also pink, blue and 50/50 red and white 

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radish
Rhubarb 
Leaf: 
Direcly from root, egg shaped, toothless but crinkled, heart shaped at base to 1 1/2 inches long, thick reddish or green petiole 

Seed: 
1/4 to 1/2 inch long, winged 

Root: 
Large, fleshy 

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rhubarb
Rutabaga 
Leaf: 
Scattered bristly hairs, covered with bloom, basal leaves 4-12 inches long, width is half or less of length, pinnate with enlarged round tipped terminal lob and smaller lower lobes, upper leaves smaller 

Root: 
Large solid hard fleshed underground taproot, globe shaped crown forms a leaf bearing neck 

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rutabaga
Sage 
Leaf: 
Petioled, oblong, 1-2 inches long, toothless or finely rounded toothed with pointed round tip; covered with wrinkles, strong characteristic odor; some cultivars have variegated leaves 

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sage
Spinach (New Zealand or regular) 
Leaf: 
Alternate from crown, simple, narrow oblong to circular with projecting lobes at base; hairless 

Seed: 
Grayish, 2-4 spined or spineless in some varieties, resemble pebbles 

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spinach

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spinach, view 2

Squash 
Leaf: 
Not rigid, moderately upright, margins with shallow saw tooths and soft points; soft hairy 

Fruit: 
Covered with bloom or bluish; elongated, striped, scalloped, some look like pumpkins 

Seed: 
Plump, 1/2-1 inch long; margin rounded 

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squash, view 1

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squash, view 2

Sweet Potato 
Leaf: 
Alternate, varies even on same plant; heart shaped and toothless to palmately lobed; 2-6 inches long; heart shaped or straight across at base 

Root: 
Tuberous, orange, pointed at ends, typically somewhat elongated with indentations, flesh orange or yellow 

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sweet potato, view 1

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sweet potato, view 2

Swiss Chard 
Leaf: 
Alternate, egg shaped to oblong, commonly green but may be red, toothless, wavy margin much developed crown of leaves arising directly from root, hairless, midrib much enlarged 

Seed: 
Brown, aggregate of 2-5 seeds, resemble Grape nuts, indistinguishable from beets 

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swiss chard, view 1

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swiss chard, view 2

Tomato 
Leaf: 
Alternate, pinnately compound with small leaflets places in between, hairy, strong smelling, 6-18 inches long; main leaflets are in groups of 5-9, stalked, oblong, 2-3 inches long, pointed, irregularly coarse toothed, margins roll inward 

Fruit: 
Red yellow, pink, orange, white, purple, black, striped; flattened at ends; globe, oblong, elongated or pear shaped, 3/4-3 inches across 

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tomato, view 1

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tomato, view 2

Watermelon 
Leaf: 
Egg shaped to oblong, heart shape at base, 4-7 inches long, pinnate 

Fruit: 
Globe or oblong shape; mostly hairless; hard but not durable rind; solid colored, mottled or striped lime green, light or dark green skin; flesh is red, green, or yellow 

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watermelon

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