Honeysuckle (Lonicera L.), Baltimore, Maryland, July 2014. Photo by Sarah A. Hanks.
Some vines and groundcovers are extremely poisonous, and others are dangerous if handled improperly. If one such vine or groundcover is eaten or handled, first aid is required. Poison Ivy, for example, contains an oil or resin called urushiol that acts as a skin irritant and causes a rash.
Poison Ivy, Glen Burnie, Maryland, May 2015. Photos by Diane F. Evartt.
Name | Scientific Name | Blooms | ||||||||||||
Bittersweet, American | Celastrus scandens L. | May - June | ||||||||||||
Cactus, Prickly Pear | Opuntia humifusa | April - June | ||||||||||||
Creeper, Trumpet | Campsis radicans (L.) Seem. ex Bureau | July - Sept. | ||||||||||||
Crossvine | Bignonia capreolata L. | May - June |
Prickly Pear Cactus, Assateague Island National Park Seashore (Worcester County), Maryland, May 2015. Photo by Sarah A. Hanks.
Honeysuckle, Trumpet | Lonicera sempervirens L. | April - July | ||||||
Needles, Devil's Darning | Clematis virginiana L. | July - Sept. | ||||||
Vasevine | Clematis viorna L. | May - Aug. |
Name | Scientific Name | Blooms | |||||||||||||||
Creeper, Virginia | Parthenocissus quinquefolia (L.) Planch. | June - Aug. | |||||||||||||||
Honeysuckle | Lonicera L. | June - Aug. | |||||||||||||||
Ivy, Poison | Toxicodendron radicans | May - July | |||||||||||||||
Passionflower, Purple | Passiflora incarnata L. | June - Sept. | |||||||||||||||
Wisteria, American | Wisteria frutescens | May - July |
Virginia Creeper, Glen Burnie, Maryland, May 2015. Photos by Diane F. Evartt.
Name | Scientific Name | Blooms | |||||||||||||||
Berry, Porcelain | Ampelopsis brevipedunculata | July - Aug. | |||||||||||||||
Bittersweet, Oriental | Celastrus orbiculatus | May - June | |||||||||||||||
Clematis, Sweet Autumn | Clematis terniflora | June - Oct. | |||||||||||||||
Honeysuckle, Japanese | Lonicera japonica | April - Sept. | |||||||||||||||
Ivy, English | Hedera helix | Aug. - Oct. |
Sweet Autumn Clematis (Clematis terniflora), also known as Wild Clematis & noted for its sweet scent, Crownsville, Maryland, August 2015. Photos by Diane F. Evartt.
English Ivy (Hedera helix), Baltimore, Maryland, July 2014. Photo by Sarah A. Hanks.
Kudzu | Pueraria lobata | July - Sept. | ||||||||||||||||||
Mile-a-Minute | Persicaria perfoliata (L.) H. Gross | May - July | ||||||||||||||||||
Periwinkle, Common | Vinca minor | April - Aug. | ||||||||||||||||||
Tearthumb, Asiatic | Polygonum perfoliatum | July - Aug. | ||||||||||||||||||
Wintercreeper | Euonymus fortunei | |||||||||||||||||||
Wisteria, Chinese | Wisteria sinensis | May - June | ||||||||||||||||||
Wisteria, Japanese | Wisteria floribunda | April - June |
Chinese Wisteria (Wisteria sinensis), Glen Burnie, Maryland, April 2011. Photo by Diane F. Evartt.
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