Flowers T to W

P -- good source of pollen
N-- good source of nectar
* -- excellent for bees

Tagetes patula *N Marigolds are in flower from July to October, and the seeds ripen in September and are noted for attracting wildlife
Thymus *N Thyme. Popular herb bears flowers June to August.
Tilia *NP Lime, large deciduous trees, reaching typically 20-40 m tall
Tradescantia NP commonly known as spiderwort
Tropaeolum NP Commonly called Nasturtium and should not be confused with the Watercresses of the genus Nasturtium, of the Mustard family
Tricyrtis N known in English as Toad lilies
Tulipa P commonly called Tulip

Ulex NP Commonly known as Gorse. Other common names for gorse include furse, whin and furze

Verbascum NP Common Name: Mullein
Veronica NP Veronica's common name is spiked speedwell
Viburnum *NP Many varieties, some flowering on bare stems in winter. V. Farreri and V. Bodnantense highly scented through winter.
Viola N commonly called Violets

Weigela N A small shrub growing to 1-5 m tall