Scientific name - Ageratum houstonianum Miller 1822
Synonyms - Ageratum mexicanum Sims
Popular names - agerato, Ageratum, sharp blue, blue billygoat, Celestina azul, floss flower, rods.
Distribution and Habitat - native from Mexico and Central America. In Europe it is cultivated as ornamental plants in the 1800.
Description - herbaceous perennial. Stem erect or decumbenta, 30-100 cm tall, slightly hairy or glabra. Leaves ovat-triangulation, 2-7 x 1.5-6 cm, top acute-obtuse, margins regular soirees, hairy on both sides, petiole 5-30 mm long, hairy. Blossom corymb compound, branched, hairy, global capital, 6-8 mm diameter, involucre with bractei linear-lanceolata, 5 mm long, slightly hairy. Flowers blue-violet. Fruit achenes, 2 mm long, black, or slightly glabra hairy, white doll with 5 wires.
Growth rate --
Tolerante - semi-shade and wind. Do not stand temperatures below 14-15 ° C, frost and drought.
Required - easy land, rich in humus, with a little perlite to ensure good drainage. Species heliofila (exhibitions prefer sunny).
Management - is abundant and regular watering, do not let dry land for too long timo. During the flowering season it is advisable to fertilize in 15-20 days. Past flowers are blooming away to ensure a rich and continuing.
Propagation - by seeds, it looks like in February (under glass) or April-May (off). Germinate after 5-7 days. Are planted at 15-25 cm distance between plants.
Diseases and pests - afidele and white fly. Botrytis attack plants if they are poorly ventilated places with shade and position.
Partners garden - Amtirrhinum majus 'Rocket White', Argyranthemum frutescens, Dianthus plumarius, Lantana camara, Nicotiana sylvestris, paper Rudbeckia, Tagetes tenuifolia.
Cultivars - 'Adriatic' 10-15 cm tall, flowers blue. 'Bavaria' 25-30 cm tall, flowers bicolore, white and blue. 'Blue Bouquet' 35-45 cm tall, purple flowers open. 'Blue Danube' 20-30 cm tall, purple flowers open. 'Neptune Blue' 15-20 cm tall, blue-violet flowers. 'Southern Cross' 30 "high, bicolore flowers, blue and white. 'White Ball' 24 "high, white flowers.
Properties and Uses - ornamental species, grown as annual for borders, cut flowers, pots. Attract butterflies.
The essential oil of Ageratum houstonianum is used in the production of natural fungicides used against Blastomyces, Epidermophyton floccosum, Fusarium lateritium, Histoplama capsulatum, Trichophyton mentagrophytes, Trichophyton tonsurans, Trichophyton verrucosum, Trichophyton violaceum.
Allan M. Armitage - Armitage's Garden Annuals - Timber Press, 2004
Carolyn Harstad, Jean lives - Got Shade? - Indiana University Press, 2003
Denise W. Adams - Restoring American Gardens - Timber Press, 2004
MK Rai, Donatella Mares - Plant derived Antimycotics - CRC Press, 2003
Suzanne McIntire & ndash, An American Cutting Garden - University of Virginia Press, 2005
Cyclamen persicum is a tuberous perennial species, originated in Persia. Cordiforme leaves, 2-14 cm long, dark green, mottled with silver, long petiole. Flowers axillary, solitary, 5 petals ciclamen reflected color, red, white, purple, floral stem of 5-15 cm tall, blooming from late winter to early spring. Fruit capsule.
Allium cepa L. - onion
Herbaceous biennial, bulb white, gold, red or purple, 5-8 x 3.10 cm. Leaves persistent, 4-10, fistula, 30-100 x 3-20 mm. Umbela blossom persistent, erect, compact, rear obsolete, ovata, ± equal, leading to acute acuminata.
Tussilago windbag - coltsfoot
From the Latin Tussilago tussis = cough on the plant's medicinal properties, windbag is the old name of poplar because of similarities between these species leaves.
Windbag Tussilago Tussilago is the only species of the genus.
Dioscorides, used potbal leaves as a substitute for tobacco, and to treat cough and asthma.
Ilex aquifolium is a shrub native to Britain, 8 meters high. Crown dense pyramid. Bark is smooth, gray, alternate leaves, coriacee, ovat-elliptical or pointed spinal rigid, acute, those tricky steps and with the lower branches of the PA wave the upper branches, evergreen, bright green, toxic.
Fraxinus excelsior - Ash
Deciduu tree, 30-40 m high, stem right, branched at the top, crown ovoid, large and rare. A young bark is smooth, light gray green and mature forms at the thick crust with a small crack, dark color. Lujerii round, flattened at the bud, glabra, green-olive trees, with dark buds.
Cirsium heterophyllum - originating in Europe - Siberia, growing on peat bogs, on wet meadows, along rivers, on the edge of forests at 800-2100 m altitude.
Rosa 'American Pillar'
Rambler, 4-6 x 3 m. The simple flowers grouped in bouquets of flowers or solitary, 5-20, 5-6 cm diameter, red-fuchsia, deep red with a white spot in center, yellow anthers are visible. Leaves dark green, shiny, becoming purple before falling. Bloom once a year in June-July.
Stem very thin, erect, branched, finely pubescent, 15-45 cm high. Leaves ovat until obovata-oblong, ribbed, few soirees, top obtuse, base narrow, glabra, slightly pubescent, thin, upper leaves are smaller. Flowers in bunches, axillary, pedicel pubescent, less than or equal to calyx, calyx pubescent, lobes 3 short and 2 longer lobes. Corola white or blue-violet. Blooms in July-September.