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Weed Wars: Killing Poison Ivy, without getting killed by poison ivy allergy
We were delighted that our new yard was bordered by a fence row of trees and understory shrubs. After unsuccessful attempts to kill only the poison ivy, I declared the line of trees to be a "burning zone," sacrificing other understory plants in order...
California
El Segundo
Unbelievable! Cashews and Poison Ivy
So many of us have experienced the pain and itch of Poison Ivy that even non-gardeners tend to keep a watchful eye for Poison Ivy, Poison Oak and other itchy or poisonous plants. But beware; I have received a few of the "crazy looks" when I mention this...
California
El Segundo
Poison Oak: How to Identify It, and What to Do if You\'ve Been Exposed
The University of California Agriculture and Natural Resources website description illustrates this point:"Leaves normally consist of three leaflets with the stalk of the central leaflet being longer than those of the other two; however, leaves occasionally...
California
El Segundo
The Invaders: Virginia Creeper
I soon noticed that the Virginia creeper vines outcompeted most of the rest, and I encouraged them to spread the length of the row. The vines can grow twenty feet in the course of a single year, and they readily take root at stem nodes along the length...
California
El Segundo
Watch Out for the Corncockle
And it would be such a waste of this beautiful flower if it were to vanish, so better in people's gardens than in the wheat fields. I have to agree, it would make a beautiful display in one's garden.
California
El Segundo
Japanese Spindle Tree Euonymus oxyphyllus
Prices start at : 8.95 USD / 1 packet

Used for stamps, printing blocks, mosaics etc. * Wood - hard, elastic, very fine grained.
  • Lot#: 0001
  • Crop Year: 2000
  • Minimum Hardiness Zone: 5
  • Average Viable Seeds/Packet: 44
  • Collection Locale: NY
  • Height: 10-20 feet
New York
Locke
Japanese Spindle Tree Euonymus oxyphyllus
Prices start at : 8.95 USD / 1 packet

Used for stamps, printing blocks, mosaics etc. * Wood - hard, elastic, very fine grained.
  • Average Viable Seeds/Packet: 44
  • Quantity: 0.11 lb
  • Collection Locale: NY
  • Genus: Euonymus
  • Purity: 98%
  • Minimum Hardiness Zone: 5
New York
Locke
Poison Sumac Information: Learn About Poison Sumac Control
When inhaled, the vapors can even be fatal. What is poison sumac? Of course, be sure to dress appropriately – wear gloves, long, sturdy pants and long-sleeved shirts.: Avoid burning poison sumac trees because heating the plant releases vapors that can...
Ohio
Willoughby
Jimson Weed, Thorn Apple Datura stramonium
Prices start at : 7.95 USD / 1 packet

* Datura stramonium , known by the common names jimson weed , devil's trumpet , devil's weed , thorn apple , tolguacha , Jamestown weed , stinkweed , locoweed , datura , moonflower , and, in South Africa , malpitte and mad seeds , is a common weed in...
  • Seeds Per Pound: 63,355
  • Germination Test Type: cut
  • Minimum Hardiness Zone: annual
  • Quantity: 1.49 lb
  • Crop Year: 2017
  • Family: Solanaceae
New York
Locke
Chinese Aristolochia Aristolochia manshuriensis
Price : CALL

S.-Peterburgsk. Guan mu tong Hocquartia manshuriensis (Komarov) Nakai; Isotrema manshuriense (Komarov) H. * Aristolochia manshuriensis Komarov, Trudy Imp.
  • Family: ARISTOLOCHIACEAE
  • Common Name: Chinese Aristolochia
  • Minimum Hardiness Zone: 5
  • Botanical Name: Aristolochia manshuriensis
New York
Locke
Chinese Aristolochia Aristolochia manshuriensis
Price : CALL

S.-Peterburgsk. Guan mu tong Hocquartia manshuriensis (Komarov) Nakai; Isotrema manshuriense (Komarov) H. * Aristolochia manshuriensis Komarov, Trudy Imp.
  • Family: ARISTOLOCHIACEAE
  • Genus: Aristolochia
  • Minimum Hardiness Zone: 5
  • Botanical Name: Aristolochia manshuriensis
New York
Locke
Golden Clematis Clematis tangutica
Prices start at : 8.95 USD / 1 packet

* This Clematis is very fast growing and will cover an area quickly with beautiful yellow flowers that last most of the season.
  • Average Viable Seeds/Packet: 76
  • Germination Test Type: Cut
  • Common Name: Golden Clematis
  • Family: Ranunculaceae
  • Seeds Type: w
  • Collection Locale: MA
New York
Locke
Japanese Yew Taxus cuspidata
Prices start at : 6.95 USD / 1 packet

Caution should be used as parts of this tree are poisonous and should not be around small children. * Taxus cuspidata ( Japanese Yew or Spreading Yew ) is a member of the genus Taxus , native to Japan , Korea , northeast China and the extreme southeast...
  • Species: cuspidata
  • Crop Year: 2017
  • Minimum Hardiness Zone: 5
  • Common Name: Japanese Yew
  • Germination Test Type: cut
  • Average Viable Seeds/Packet: 14
New York
Locke
Jimson Weed, Thorn Apple Datura stramonium
Prices start at : 7.95 USD / 1 packet

* Datura stramonium , known by the common names jimson weed , devil's trumpet , devil's weed , thorn apple , tolguacha , Jamestown weed , stinkweed , locoweed , datura , moonflower , and, in South Africa , malpitte and mad seeds , is a common weed in...
  • Genus: Datura
  • Quantity: 1.49 lb
  • Common Name: Jimson Weed, Thorn Apple
  • Crop Year: 2017
  • Species: stramonium
  • Germination: 98%
New York
Locke
Japanese Yew Taxus cuspidata
Prices start at : 6.95 USD / 1 packet

Caution should be used as parts of this tree are poisonous and should not be around small children. * Taxus cuspidata ( Japanese Yew or Spreading Yew ) is a member of the genus Taxus , native to Japan , Korea , northeast China and the extreme southeast...
  • Height: 25-30 feet
  • Common Name: Japanese Yew
  • Germination: 98%
  • Average Viable Seeds/Packet: 14
  • Crop Year: 2017
  • Genus: Taxus
New York
Locke
Pyrethrins and its cousins: a veterinary perspective on the good, the bad and the ugly
The part about the product being potentially toxic or fatal if swallowed is highlighted, though. But as discussed in this article, natural toxin does not mean safe toxin, nor does synthetic toxin necessarily mean deadly.
California
El Segundo
Gro-Low Sumac
Prices start at : 35.95 USD / #1 Container range: 2.3 - 3.7 quarts (2.5 - 4 liters)

This sumac would look great as a central focus in your front yard! * Orange Scarlet Foliage in Autumn * 3' High Woody Groundcover * Drought Tolerant Drought Tolerant Colorful Groundcover The Gro-Low Sumac, Rhus aromatica 'Gro-Low', is a selection of Fragrant...
  • Botanical Name: Rhus aromatica 'Gro-Low'
  • Mature Height: 2 - 3 feet
  • Brand: Nature Hills Nursery
  • Mature Spread: 6 - 8 feet
  • Fall Color: Red
  • Sun Exposure: Full Sun, Partial Sun
Nebraska
Omaha
Waterer Golden Chain Tree, Waterer  Laburnum, Goldenchain Tree Laburnum watereri     - Laburnum x watereri
Prices start at : 8.95 USD / 1 packet

The main toxin in the plant is cytisine, a nicotinic receptor agonist. Anagyroides; it also has the benefit of low seed production. * Most garden specimens are of the hybrid between the two species, Laburnum × watereri (Voss's laburnum), which combines...
  • Height: 12-15 feet
  • Germination Test Type: cut
  • Species: watereri
  • Average Viable Seeds/Packet: 17
  • Common Name: Waterer Golden Chain Tree, Waterer Laburnum, Goldenchain Tree
  • Quantity: 0.24 lb
New York
Locke
Waterer Golden Chain Tree, Waterer  Laburnum, Goldenchain Tree Laburnum watereri     - Laburnum x watereri
Prices start at : 8.95 USD / 1 packet

The main toxin in the plant is cytisine, a nicotinic receptor agonist. Anagyroides; it also has the benefit of low seed production. * Most garden specimens are of the hybrid between the two species, Laburnum × watereri (Voss's laburnum), which combines...
  • Collection Locale: Massachusetts
  • Germination Test Type: cut
  • Family: LEGUMINOSAE
  • Botanical Name: Laburnum watereri
  • Crop Year: 2017
  • Height: 12-15 feet
New York
Locke
Christmas Rose, Black Hellebore Helleborus niger
Prices start at : 8.95 USD / 1 packet

* Helleborus niger is an evergreen plant with dark, leathery, pedate leaves carried on stems to 9–12 in (23–30 cm) tall. Division after flowering or in autumn. * In antiquity the most famous place for the black hellebore was the Phokian city of Antikyra...
  • Minimum Hardiness Zone: 5
  • Botanical Name: Helleborus niger
  • Collection Locale: Germany
  • Common Name: Christmas Rose, Black Hellebore
  • Purity: 98%
  • Germination Test Type: cut
New York
Locke
Devil\'s Walking Stick, Devil\'s Walkingstick Aralia spinosa
Prices start at : 4.95 USD / 1 packet

Devil's walkingstick ARSP2 Summary Duration Perennial Growth Habit Tree, Shrub Native Status L48 (N) Federal T/E Status National Wetland Indicator FAC, FACW- Morphology/Physiology Active Growth Period Spring and Summer After Harvest Regrowth Rate Bloat...
  • Seeds Type: db
  • Crop Year: 2001
  • Average Viable Seeds/Packet: 71
  • Botanical Name: Aralia spinosa dried berries
  • Common Name: Devil's Walking Stick, Devil's Walkingstick
  • Genus: Aralia
New York
Locke
Christmas Rose, Black Hellebore Helleborus niger
Prices start at : 8.95 USD / 1 packet

* Helleborus niger is an evergreen plant with dark, leathery, pedate leaves carried on stems to 9–12 in (23–30 cm) tall. Division after flowering or in autumn. * In antiquity the most famous place for the black hellebore was the Phokian city of Antikyra...
  • Germination: 83%
  • Height: 9-12 inches
  • Crop Year: 1999
  • Collection Locale: Germany
  • Family: Ranunculaceae
  • Average Viable Seeds/Packet: 32
New York
Locke
Indian-tobacco Lobelia inflata
Prices start at : 2.95 USD / 1 packet

The seed usually germinates within 2 weeks. * It is still used medicinally in the present day; however, there are adverse effects that limit its use. * Native Americans used it for respiratory and muscle disorders, as a purgative, and as a ceremonial...
  • Common Name: Indian-tobacco
  • Family: Campanulaceae
  • Germination: 40%
  • Botanical Name: Lobelia inflata
  • Height: 18-24 inches
  • Genus: Lobelia
New York
Locke
Goldencup St. Johnswort Hypericum patulum
Prices start at : 8.95 USD / 1 packet

* Plants are sometimes grown as a hedge. * An evergreen shrub with dark green leaves, 2" golden-yellow bowl-shaped flowers in July; native to China, Japan. Wood - close grained, moderately hard.
  • Height: 2-3 feet
  • Genus: Hypericum
  • Collection Locale: Australia
  • Common Name: Goldencup St. Johnswort
  • Family: Clusiaceae
  • Purity: 99%
New York
Locke
Indian-tobacco Lobelia inflata
Prices start at : 2.95 USD / 1 packet

The seed usually germinates within 2 weeks. * It is still used medicinally in the present day; however, there are adverse effects that limit its use. * Native Americans used it for respiratory and muscle disorders, as a purgative, and as a ceremonial...
  • Family: Campanulaceae
  • Crop Year: 2017
  • Collection Locale: Oregon
  • Purity: 90%
  • Quantity: 0.25 lb
  • Botanical Name: Lobelia inflata
New York
Locke
Black False Hellebore, False Hellebore Veratrum nigrum
Prices start at : 8.95 USD / 1 packet

In China, it, and other false hellebore species are collectively called "li lu". * Veratrum nigrum ( Black Hellebore ) is a medicinal plant and poisonous plant native to Asia and Europe .
  • Genus: Veratrum
  • Lot#: 9801
  • Crop Year: 1998
  • Common Name: Black False Hellebore, False Hellebore
  • Average Viable Seeds/Packet: 58
  • Quantity: 0.35 lb
New York
Locke
Goldencup St. Johnswort Hypericum patulum
Prices start at : 8.95 USD / 1 packet

* Plants are sometimes grown as a hedge. * An evergreen shrub with dark green leaves, 2" golden-yellow bowl-shaped flowers in July; native to China, Japan. Wood - close grained, moderately hard.
  • Quantity: 0.02 lb
  • Minimum Hardiness Zone: 7
  • Collection Locale: Australia
  • Lot#: 9201
  • Crop Year: 1992
  • Species: patulum
New York
Locke