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Plant & Garden Varieties beginning with R Page 10 of 62 containing botanical plant names begining with the letter R. 496 Varieties Listed in Total 10 11 12 13 14 15 16 17 18 19 
Rheum rhaponticum Prefers a deep, fertile, moderately heavy, humus rich, moisture retentive, well-drained soil in sun or semi-shade[200]. Shade tolerant[15], but plants prefer a sunny position[37]. Grows well in heavy clay soils... [MORE] Rheum ribes Prefers a deep, fertile, moderately heavy, humus rich, moisture retentive, well-drained soil in sun or semi-shade[200]. Grows well in heavy clay soils. Best grown in a dry position, where it can be very long-li... [MORE] Rheum spiciforme Prefers a deep, fertile, moderately heavy, humus rich, moisture retentive, well-drained soil in sun or semi-shade[200]. Grows well in heavy clay soils.
Hardy to about -20°c[187].
Plants in this genus seem to ... [MORE] Rheum tataricum We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors at least in the milder areas of the country. This sp... [MORE] Rheum x cultorum Prefers a deep, fertile, moderately heavy, humus rich, moisture retentive, well-drained soil in sun or semi-shade[200], but succeeds in most soils provided the drainage is good[200]. Grows well in heavy clay so... [MORE] Rhexia virginica Requires a moist but freely draining neutral or acid peaty soil[200]. Incorporate sand or grit into the soil if necessary at planting time[200]. Grows well in a bog garden[200].... [MORE] Rhinanthus minor A semi-parasitic plant of grass, it can be grown in a meadow[200].... [MORE] Rhodiola rhodantha Prefers a fertile well-drained soil in a sunny position[200]. Established plants are drought tolerant[200].
A good plant for the flower border[83].
This species has pink to white flowers[200]. All members of ... [MORE]
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Page 10 of 62 containing R Varieties 496 Varieties Listed in Total
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