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Nitrogen Fixing Plant Seeds For Sale In Denver

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Caspian Locust, Persian Honey Locust Gleditsia caspia     - Gleditsia caspica
Price : CALL

* This tree is remarkable for the number and length of the spines growing on its trunk, which makes it the most formidably armed of temperate trees. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing...
  • Germination Test Type: cut
  • Height: 30-35 feet
  • Quantity: 2.08 lb
  • Purity: 99%
  • Crop Year: 2017
  • Genus: Gleditsia
Colorado
Denver
New Zealand Sophora Sophora tetraptera
Price : CALL

* The wood is compact, dense, heavy, of great strength, tough, elastic, extremely durable. * Beautiful 2" golden yellow pealike flowers in pendulous clusters to 8", in May; pod, to 7", has four wings; evergreen or semideciduous compound leaves; native...
  • Height: 30 feet
  • Family: LEGUMINOSAE
  • Common Name: New Zealand Sophora
  • Species: tetraptera
Colorado
Denver
Mountain Mahogany, Alderleaf Mountain Mahogany Cercocarpus montanus
Prices start at : 4.95 USD / 1 packet

The bark is often mixed with alder and wild plum root barks when making the dye. * Cercocarpus montanus is a species of shrub or small tree in the family Rosaceae known by may common names (see below) including mountain mahogany and alder-leaf cercocarpus.
  • Botanical Name: Cercocarpus montanus
  • Minimum Hardiness Zone: 6
  • Average Viable Seeds/Packet: 55
  • Common Name: Mountain Mahogany, Alderleaf Mountain Mahogany
  • Purity: 90%
  • Quantity: 0.1 lb
Colorado
Denver
Indigo, Indigo Bush Indigofera pseudotinctoria
Prices start at : 2.95 USD / 1 packet

* The leaves and flowers are boiled and eaten. * A shrub; red flowers in racemes.
  • Crop Year: 2010
  • Purity: 98%
  • Lot#: 100654
  • Family: Fabaceae
  • Germination: 91%
  • Species: pseudotinctoria
Colorado
Denver
Mountain Alder Alnus crispa     - Alnus viridis crispa
Prices start at : 4.95 USD / 1 packet

* It is sometimes used for afforestation on infertile soils which it enriches by means of its nitrogen-fixing nodules, while not growing large enough to compete with the intended timber crop.
  • Germination: 40%
  • Genus: Alnus
  • Species: crispa
  • Germination Test Type: estimate
  • Purity: 98%
  • Average Viable Seeds/Packet: 232
Colorado
Denver
Siberian Pea Tree, Siberian Peashrub Caragana arborescens
Prices start at : 2.95 USD / 1 packet

* The whole plant, known as ning tiao, is used in the treatment of cancer of the breast, and the orifice to the womb, and for dysmenorrhoea and other gynaecological problems. * Extremely hardy--a plant lifted from a pot in December spent the winter in...
  • Crop Year: 2017
  • Average Viable Seeds/Packet: 35
  • Seeds Per Pound: 17,706
  • Minimum Hardiness Zone: 2
  • Common Name: Siberian Pea Tree, Siberian Peashrub
  • Collection Locale: Montana
Colorado
Denver
Buck Brush, Snowbrush Ceanothus, Red Root, Tobacco Brush Ceanothus velutinus
Prices start at : 4.95 USD / 1 packet

This soap is very good at removing dirt, though it does not remove oils very well. This means that when used on the skin it will not remove the natural body oils, but nor will it remove engine oil etc.
  • Species: velutinus
  • Purity: 98%
  • Quantity: 0.18 lb
  • Height: 9-12 feet
  • Collection Locale: Idaho
  • Genus: Ceanothus
Colorado
Denver
Autumn Olive Elaeagnus umbellata
Price : CALL

Because airborne nitrogen can be fixed in its roots, it has the capability to grow in infertile habitats. * Elaeagnus umbellata , also referred to as Japanese Silverberry , Umbellate Oleaster or Autumn-olive , is a species of Elaeagnus native to eastern...
  • Botanical Name: Elaeagnus umbellata
  • Species: umbellata
  • Family: Elaeagnaceae
  • Common Name: Autumn Olive
Colorado
Denver
Indian Rattlebox Crotalaria assamica
Prices start at : 4.95 USD / 1 packet

* Crotalarias are grown in the tropics as green manure cover crops due to their nitrogen fixing capabilities and drought tolerance. * They are occationally grown as ornamentals for their yellow flowers and interesting rattling seed pods.
  • Purity: 98%
  • Genus: Crotalaria
  • Minimum Hardiness Zone: 10
  • Collection Locale: Hawaii
  • Common Name: Indian Rattlebox
  • Botanical Name: Crotalaria assamica
Colorado
Denver
Japanese Pagoda Tree Styphnolobium japonicum     - Sophora japonica
Prices start at : 4.95 USD / 1 packet

* A very ornamental and fast growing tree, it grows best in hot summers. * Cultivated in China for the rutin contained in its leaves and ovaries. * This species is commonly used in Chinese medicine and is considered to be one of the 50 fundamental herbs.
  • Germination: 83%
  • Average Viable Seeds/Packet: 11
  • Collection Locale: Hungary
  • Family: Leguminosae
  • Botanical Name: Styphnolobium japonicum
  • Purity: 99%
Colorado
Denver
Mountain Alder Alnus crispa     - Alnus viridis crispa
Prices start at : 4.95 USD / 1 packet

* It is sometimes used for afforestation on infertile soils which it enriches by means of its nitrogen-fixing nodules, while not growing large enough to compete with the intended timber crop.
  • Minimum Hardiness Zone: 2
  • Average Viable Seeds/Packet: 232
  • Family: BETULACEAE
  • Crop Year: 2013
  • Genus: Alnus
  • Purity: 98%
Colorado
Denver
Sensitive Partridge Pea Chamaecrista nictitans
Prices start at : 6.95 USD / 1 packet

* It is similar to Chamaecrista fasciculata except that the leaves are smaller. * It is an annual plant capable of rapid plant movement—its leaflets fold together when touched. * Chamaecrista nictitans (Sensitive Partridge Pea, Small Partridge Pea or...
  • Average Viable Seeds/Packet: 33
  • Germination Test Type: cut
  • Minimum Hardiness Zone: annual
  • Species: nictitans
  • Purity: 97%
  • Common Name: Sensitive Partridge Pea
Colorado
Denver
Indigo, Indigo Bush Indigofera pseudotinctoria
Prices start at : 2.95 USD / 1 packet

* The leaves and flowers are boiled and eaten. * A shrub; red flowers in racemes.
  • Crop Year: 2010
  • Seeds Per Pound: 86,260
  • Botanical Name: Indigofera pseudotinctoria
  • Height: 3-4 feet
  • Average Viable Seeds/Packet: 85
  • Germination: 91%
Colorado
Denver
Texas Mountain Laurel, Mescal Bean, Texas Mescalbean, Frijolito, Frijolillo Sophora secundiflora     - Calia secundiflora
Prices start at : 5.95 USD / 1 packet

Common names include Texas Mountain Laurel , Texas Mescalbean , Frijolito , and Frijolillo . * A yellow dye is obtained from the wood. * An evergreen shrub with compound leaves, 1" violet-blue fragrant flowers in 2-3" pendulous clusters; pods 1-7"; seeds...
  • Quantity: 3.32 lb
  • Species: secundiflora
  • Genus: Sophora
  • Purity: 99%
  • Germination Test Type: Actual
  • Common Name: Texas Mountain Laurel, Mescal Bean, Texas Mescalbean, Frijolito, Frijolillo
Colorado
Denver
Crimson Clover, Italian Clover Trifolium incarnatum
Prices start at : 2.95 USD / 1 packet

* It has been introduced into the United States, originally as forage for cattle. It can typically be found in forest margins, fields and roadsides. The species name incarnatum means "blood red".
  • Purity: 99%
  • Quantity: 4.25 lb
  • Seeds Per Pound: 78,996
  • Collection Locale: Oregon
  • Minimum Hardiness Zone: annual
  • Botanical Name: Trifolium incarnatum
Colorado
Denver
Blue Wild Indigo, Rattleweed, Blue False Indigo, Indigo Weed, Rattlebush, Horse Fly Weed Baptisia australis
Prices start at : 4.95 USD / 1 packet

* The plant is under investigation as a potential stimulant of the immune system. * It is considered to be a desirable plant in the garden due to its deep blue to violet spring flowers, the attractive light green compound leaves, and also for the somewhat...
  • Height: 3-4 feet
  • Germination: 98%
  • Botanical Name: Baptisia australis
  • Minimum Hardiness Zone: 4
  • Family: Fabaceae
  • Quantity: 0.07 lb
Colorado
Denver
White Leadtree, White Popinac, Jumbay, Leadtree, Haole Koa Leucaena leucocephala     - Leucaena glauca    , Acacia leucocephala    , Acacia frondosa    , Acacia glauca    , Mimosa leucocephala    , Mimosa glauca
Prices start at : 4.95 USD / 1 packet

* The legume provides an excellent source of high protein cattle fodder. It is also efficient in nitrogen fixation, at more than 500 kg/ha/year. * Leucaena leucocephala is a species of small Mimosoid tree that is native to southern Mexico and northern...
  • Seeds Per Pound: 8,107
  • Family: Fabaceae
  • Botanical Name: Leucaena leucocephala
  • Species: leucocephala
  • Crop Year: 2017
  • Germination: 98%
Colorado
Denver
Beefwood, River Sheoak, River Oak, Creek Oak, River Oak Casuarina, Kasa, Australian Pine Casuarina cunninghamiana
Prices start at : 3.95 USD / 1 packet

Cones are small, rectangular and about 1 centimetre across. * The River Oak is an attractive evergreen tree with fine greyish green needle-like foliage that grows to a height of 60 metres (200 ft) with a spread of about 10 metres.
  • Genus: Casuarina
  • Purity: 97%
  • Germination: 77%
  • Minimum Hardiness Zone: 10
  • Germination Test Type: cut
  • Seeds Per Pound: 390,440
Colorado
Denver
Coffee Tree, Chinese Coffee Tree, Soap Tree, Yunnan Bean Gymnocladus chinensis
Prices start at : 12.95 USD / 1 packet

This is an extremely rare tree, almost extinct in its native range. It is in flower in April, and the seeds ripen in October. Several sources say that it is a relatively short tree compared with the American relative.
  • Species: chinensis
  • Height: 20-45 feet
  • Family: LEGUMINOSAE
  • Purity: 99%
  • Botanical Name: Gymnocladus chinensis
  • Germination: 98%
Colorado
Denver
Thinleaf Alder, Mountain Alder Alnus incana tenuifolia    - Alnus tenuifolia
Prices start at : 4.95 USD / 1 packet

Alder seedlings do not compete well in shady woodland conditions and so this species gradually dies out as the other trees become established. * Alder trees also have a heavy leaf canopy and when the leaves fall in the autumn they help to build up the...
  • Genus: Alnus
  • Species: incana
  • Seeds Per Pound: 505,800
  • Subspecies: tenuifolia
  • Average Viable Seeds/Packet: 47
  • Germination: 43%
Colorado
Denver
Hazel Alder Alnus serrulata
Price : CALL

* Trees have extensive root systems and are sometimes planted on the banks of streams in order to prevent erosion.
  • Common Name: Hazel Alder
  • Botanical Name: Alnus serrulata
  • Family: Betulaceae
  • Minimum Hardiness Zone: 2
  • Germination: 53%
  • Genus: Alnus
Colorado
Denver
Autumn Olive Elaeagnus umbellata
Price : CALL

Because airborne nitrogen can be fixed in its roots, it has the capability to grow in infertile habitats. * Elaeagnus umbellata , also referred to as Japanese Silverberry , Umbellate Oleaster or Autumn-olive , is a species of Elaeagnus native to eastern...
  • Botanical Name: Elaeagnus umbellata
  • Minimum Hardiness Zone: 4
  • Common Name: Autumn Olive
  • Genus: Elaeagnus
Colorado
Denver
Milk Vetch, Chinese Milk Vetch Astragalus sinicus
Prices start at : 2.95 USD / 1 packet

* This species used to be cultivated for its edible leaves in China. * The plant is used in the treatment of blennorrhoea and also as an unguent for burns. * This species is grown as a green manure crop in Japan and southern China.
  • Collection Locale: China
  • Average Viable Seeds/Packet: 248
  • Species: sinicus
  • Common Name: Milk Vetch, Chinese Milk Vetch
  • Germination Test Type: estimate
  • Botanical Name: Astragalus sinicus
Colorado
Denver
Roundheaded Bush Clover, Rabbitfoot, Dusty Clover, Roundhead Lespedeza Lespedeza capitata
Prices start at : 4.95 USD / 1 packet

Readily eaten by grazing animals. Used as a reclamation species on very poor soils. Leaves & stems are covered with silver hair. Pharmaceutical preparations are manufactured from them.
  • Genus: Lespedeza
  • Lot#: 021090
  • Family: Fabaceae
  • Height: 2-3 feet
  • Botanical Name: Lespedeza capitata
  • Germination: 87%
Colorado
Denver
Tuberous Sweetpea Lathyrus tuberosus
Prices start at : 3.95 USD / 1 packet

The plant is a trailer or weak climber, supported by tendrils, growing to 1.2 m tall. * Lathyrus tuberosus, also known as the tuberous pea, tuberous vetchling, earthnut pea, or aardaker, is a small, climbing perennial plant, native in moist temperate...
  • Height: 3-4 feet
  • Species: tuberosus
  • Germination: 46%
  • Collection Locale: Pennsylvania
  • Germination Test Type: Actual
  • Genus: Lathyrus
Colorado
Denver
Beefwood, River Sheoak, River Oak, Creek Oak, River Oak Casuarina, Kasa, Australian Pine Casuarina cunninghamiana
Prices start at : 3.95 USD / 1 packet

Cones are small, rectangular and about 1 centimetre across. * The River Oak is an attractive evergreen tree with fine greyish green needle-like foliage that grows to a height of 60 metres (200 ft) with a spread of about 10 metres.
  • Crop Year: 2017
  • Quantity: 2.67 lb
  • Genus: Casuarina
  • Average Viable Seeds/Packet: 321
  • Germination: 77%
  • Purity: 97%
Colorado
Denver
European Alder Alnus glutinosa
Prices start at : 2.95 USD / 1 packet

* Native to most of Europe, including all of the British Isles and Fennoscandia and locally in Southwest Asia. Conservation Plant Characteristics Alnus glutinosa (L.) Gaertn. * The plants can be used as a source of biomass.
  • Height: 60-100 feet
  • Common Name: European Alder
  • Seeds Per Pound: 408,600
  • Minimum Hardiness Zone: 4
  • Lot#: 070439
  • Germination Test Type: cut
Colorado
Denver