The
tiarella, or cone-shaped foam flower, is a beautiful, and adaptable, evergreen ground cover plant
0.051 0.07 0.12 Sedum tematum 0.007 0.07 0.08 Solidago curtisii 2.364 2.52 4.88 Solidago patula 0.875 0.35 1.22 Stachys clingmanii * 0.206 0.35 0.56 Stellaria pubera 0.503 1.61 2.11 Symphyotrichum cordifolium 0.051 0.07 0.12 Symphyotrichum puniceum 1.773 0.49 2.26 Symphyotrichum retrojlexum 0.054 0.21 0.26 Thalictrum clavatum 0.486 1.05 1.53 Thelypteris noveboracensis 1.672 1.12 2.79
Tiarella cordifolia 2.722 4.54 7.26 Trautvetteria caroliniensis 0.686 1.54 2.22 Trifolium pratense 0.007 0.07 0.08 Trillium erectum 0.267 0.56 0.83 Uvularia grandiflora 0.007 0.07 0.08 Uvularia perfoliata 0.007 0.07 0.08 Veratrum viride 0.304 0.14 0.44 Viola blanda 1.283 1.75 3.03 Viola cucullata 1.074 2.38 3.45 Viola pubescens 0.068 0.35 0.42 Viola sp.
In some rain-dispersed plants of otherwise polysymmetric groups (with disymmetric gynoecium) the fruits (and the gynoecium at anthesis) are pronouncedly monosymmetric, such as
Tiarella and some Chrysosplenium species of Saxifragaceae.
For example,
Tiarella wherryi is native to the woodlands of the southeastern United States whereas Virginia bluebells thrive in Maryland floodplains and dogtooth violets (Erythronium americanum) prefer the cooler conditions beneath manzanita bushes in southern Oregon.
These farmers produce exquisite commercial varieties of flowers like Gaillardia, Lilly, Veronica, Verbena,
Tiarella, Tradescantia, Sedum, Scabiosa, Rudbeckia, Polemonium, Peony, Penstemon, and Geraniums and Indian red roses that are much sought after in domestic as well as in European markets.
Canada's Gardening Life magazine had an article on
Tiarella and Heuchera (or foamflower and coralbells).
5Better still, plant lots of ground cover plants such as ajuga reptan, hardy geraniums, hostas,
tiarella wherryi, pulmonaria saccharata and stachys byzantina.
Geographic structuring of chloroplast DNA genotypes in
Tiarella trifoliata (Saxifragaceae).
They grow and sell more kinds of Astrantia, Corydalis, Heuchera, Pulmonaria, and
Tiarella than you're likely to find in one place anywhere else.
Several important species absent from tephra in 1981 reappeared in 1982:
Tiarella trifoliata and the mosses Rhytidiopsis robusta, Mnium-like species, and Brachythecium-like species at site DR, and the moss Eurynchium oreganum at site SR.
This is the column where I'll share all my gardening hints and tips - and I'll try to answer any queries you may have Can I split a clump of
tiarella while the plant is in flower?
Table 2 Changing expression of floral monosymmetry during development Early development Anthesis Monosymmetry strongest in early development Arabidopsis + - Monosymmetry strongest at anthesis (in species-rich families) Fabaceae + ++ Veronicaceae + ++ Asteraceae/(Cichorioideae) -/(+) ++ Orchidaceae + ++ Monosymmetry strongest in fruit
Tiarella + + Chrysosplenium sp.
In beds and borders, Darwins look great planted with pulmonarias, heuchera and
tiarella, hardy geraniums and sedums and vincas.
For autumn foliage color, she suggests 'Angefina' Sedum,
Tiarella and Heucheras.
Trendy plants like calla lilies, foxgloves, pink and white scented hesperis, verbascums, lavender and the foam flower,
Tiarella Ninja will keep the most avid plantsmen busy over summer.
