Forsythia Int Spectabilis

Despite its bright spring color display forsythia isn t meant to be a specimen or stand alone plant. Beatrix farrand and karl sax which was introduced to the world in 1960.

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Forsythia int spectabilis

They treated the diploid f. Forsythia x intermedia commonly known as border forsythia is a deciduous hybrid shrub with upright arching to spreading often square stemmed branches clad with ovate to lanceolate medium to dark green leaves to 3 5 long and to 1 wide which have toothed margins in the upper 1 2 most cultivars mature to 6 10 tall spreading to as much as 12 wide but. The shrub has an upright habit with arching branches and grows to 3 to 4 metres high.

Forsythia is both the common and genus name of a group of deciduous flower shrubs in the olive family oleaceae named after william forsyth a scottish botanist who was at that time director of the royal garden at kensington and a founding member of england s royal horticultural society. Find out about some popular forsythia varieties in this article. Plants may not be as hardy as some of the newer cultivars but if in zone 5 with adequate snowcover you ll be well rewarded.

X intermedia spectabilis with colchicine to produce a tetraploid version called armold giant which they back crossed with f. Advertisement plant in sun or partial shade ideally in moist but well drained soil. The bright yellow flowers are produced on one to two year old growth and may be solitary or in racemes from 2 to 6.

The color lasts only three weeks at most and once the flowers are gone a forsythia is a plain jane of a plant. Plant in moist free draining soil in full sun or light shade. City cottage informal flower arranging beds and borders hedging screens low maintenance wallside and trellises.

Full sun partial shade hardiness. Mixing shrubs with forsythia bush varieties. Forsythia x intermedia spectabilis forsythia spectabilis will reach a height of 3m and a spread of 2m after 5 10 years.

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