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Re: Phlomis russeliana

Debbie,
Phlomis russeliana comes from Turkey and has  large heart-shaped basal leaves
which generally survive the winter, and vertical unbranched flowering stems
carrying up to 5 whorls of bi-coloured flowers [upper lip is generally cream
coloured and lower lip is egg yellow] Mostly these grow to about 3/4 feet in
height, but in really fertile well-cultivated ground they can reach 6 feet.
They also spread sideways at a reasonable rate , allowing a good clump to
grow up, or providing young plants to give away to friends.
Being in the UK, I can't recomend a source in the USA, but no doubt others
can.
You ask about other interesting yellow herbaceous ones. Bear in mind that I
am not sure of what is available in the USA, but keep an eye open for Phlomis
lychnitis and P. nissolii, which although they are not as hardy as P.
ruselliana, should be capable of being grown in Zone 8 if the soil is
reasonably well drained in the winter. Among the shrubby Phlomis there are
many yellow ones to look out for in addition to the ubiquitous P. fruticosa.
Interesting ones include P. grandiflora, P. lanata, P. leucophracta, P.
longifolia and P. lycia.
Bear in mind when talking hardiness across the world (and this covers any
plant not just Phlomis), that different clones of any plant may be present in
say USA, UK and Australia and these can have different characteristics
including different hardiness, 

Jim Mann Taylor
United Kingdom
e-mail: Phlomis@aol.com
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