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Biennial Varieties Page 12 of 15 containing Biennial Varieties 115 Varieties Listed in Total 5 6 7 8 9 10 11 12 13 14 15 
Onopordon illyricum Succeeds in almost any ordinary garden soil. Requires a well-drained soil in full sun. Prefers a slightly alkaline soil.
Plants are hardy to about -15°c.
Often self-sows, sometimes to the point of nuisance, t... [MORE] Pastinaca sativa Succeeds in most ordinary well-drained soils[16]. Requires an open situation[37]. Prefers a deep rich soil that is not too stiff[1].
The parsnip is often cultivated in the temperate zone for its edible root, t... [MORE] Petroselinum crispum Prefers a moist well-drained soil in sun or partial shade[4, 16, 31, 37, 52, 200]. Prefers a good light soil that is not too light or acid[1], growing poorly in light acid soils[200].
Parsley is commonly culti... [MORE] Petroselinum crispum tuberosum Prefers a moist well-drained soil in sun or partial shade[4, 16, 31, 37, 52, 200]. Prefers a good light soil that is not too light or acid[1], growing poorly in light acid soils[200].
A form of P. crispum (par... [MORE] Petroselinum segetum See the plant's native habitat for ideas of its needs.... [MORE] Peucedanum palustre An easily grown plant, it succeeds in any moisture-retentive soil in a sunny position[200].
Suitable for group plantings in the wild garden[200].... [MORE] Raphanus maritima Prefers a rich soil with ample moisture[16, 52]. Dislikes very heavy soils[37].
The seeds are dispersed by sea-water, in which they can float for 7 - 10 days without loss of viability[17].... [MORE] Reseda luteola Easily grown in any well-drained neutral to slightly alkaline soil in a sunny position or in some shade if the summers are long and hot[200].
At one time this plant was commonly cultivated for the dye obtained... [MORE]
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Page 12 of 15 containing Biennial Varieties 115 Varieties Listed in Total
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