Alexanders
Biennial
158 objects
Explore plants that take two whole years to complete their life journey! In the first year, they grow leaves, and in the second, they bloom and make seeds.
Biennial plants complete their life cycle over two growing seasons, typically forming foliage in the first year and flowering/seeding in the second.
Objects with this trait
Browse every object currently tagged with this trait.
Annual Honesty
Apioideae
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Aster
Balkan toadflax
Beet
Bittercresses and Toothworts
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Brassica montana
Broad-winged Thistle
Bull Thistle
Cabbage
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Cabbage Thistle
Canterbury Bells
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Carrotleaf Biscuitroot
Cauliflower
Chives
Cobwebby Thistle
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Common Fumitory
Common Sorrel
Common Whitlowgrass
Cow Parsley
Danish Scurvy-grass
Dark Mullein
Devil's-bit Scabious
Early Spider-orchid
European Pasqueflower
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European field pansy
Evening Primrose
Five-leaflet Bittercress
Foothill desert-parsley
Foxglove
Giant Hogweed
Giant Viper's-bugloss
Goutweed
Greater Yellow Rattle
Hairy Rocket
Heart-podded Hoary Cress
Hedge mustard
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Hoary Plantain
Indian tobacco
Kale
Lacy phacelia
Large-flowered Evening-primrose
Lupine
Lyreleaf Rockcress
Marsh Thistle
Meadow Saxifrage
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Menzies' Larkspur
Noble Corydalis
Painted-cup Paintbrush
Parsley
Pennsylvania Bittercress
Pennyroyal
Plume Thistles
Primrose
Queen Anne's Lace
Red Clover
Rose campion
Salad Burnet
Salsifies
Scouler's Corydalis
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Scurvy grass
Small Alison
Sticky Groundsel
Swallow-wort
Sweet William
Sweet basil
Sweet violet
Sweet-William
Texas stork's bill
Violets
Wallflowers
Warty-cabbage
White Hellebore
White Horehound
White Sweetclover
White deadnettle
Wild Pansy
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Wild radish
Woad
Wood Cow-wheat
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Yellow Bachelor's Button
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Yellow Fumitory
Yellow Rattle
Yellow Sweetclover
absinthe wormwood
angelicas
bitter lettuce
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bitter wintercress
black knapweed
bristle thistle
burdocks
carrot family
carrots
clasping Venus's looking glass
common alkanet
common columbine
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common cornsalad
common mugwort
common valerian
coralroot
corn cockle
creeping thistle
crimson clover
crossflower
curled dock
cutleaf evening primrose
cutleaf teasel
dame's rocket
dark-throated shooting star
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fennel
field mustard
field penny-cress
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field thistle
garden pansy
garlic mustard
golden Alexanders
great mullein
greater burdock
green false hellebore