Tulip, Parrot tulip, Tulipa 'Flaming parrot', Side view of one red, orange and yellow fringed tulip.

Tulip, Parrot tulip, Tulipa 'Flaming parrot', Side view of one red, orange and yellow fringed tulip.

Tulip, Parrot tulip, Tulipa 'Flaming parrot', Side view of one red, orange and yellow fringed tulip.

Chamomile, Chamaemelum nobile, Side view of two flowers, one sharp focus, one soft and some leaves, Cut out on white.

Golden oats, Stipa gigantea, A panicle of the yellow winter seeds hanging from a stem and covered in frozen droplets.

Honesty, Lunaria annua, seedheads with snow on them.

Golden oats, Stipa gigantea, A panicle of the brown winter seeds hanging from a stem and covered in frozen droplets.

Black Cohosh, Cohosh bugbane, Actaea racemosa, View of several white flowering stems.

Black Cohosh, Cohosh bugbane, Actaea racemosa, View of one white flowering stem.

Thistle, Montpellier thistle, Cirsium monspessulanum, Side view of one pink flower.

Plumbago, Ceratostigma willmottianum, Many stems of multiple blue flowers.

Great desert spoon, Dasyliron achrotrichum, Dramatic spikey mass of silvery narrow leaves standing out against a dark background.