Musk thistle, Carduus nutans, spikey flowerhead seen from behind.

Musk thistle, Carduus nutans, spikey flowerhead seen from behind.

Musk thistle, Carduus nutans, purple spikey flower.

Musk thistle, Carduus nutans, purple spikey flower.

Grape hyacinth, Muscari botryoides 'Superstar', close up of the blue flowers.

Grape hyacinth, Muscari botryoides 'Superstar', close up of the blue flowers.

Knapweed, Black knapweed, Centaurea nigra, with Marbled White butterfly.

Knapweed, Black knapweed, Centaurea nigra, with Marbled White butterfly.

Crab apple, Malus 'Cardinal', branch covered in pink blossoms.

Magnolia, Magnolia 'Gold Star', close up deatil of the flower.

Magnolia, Magnolia 'Gold Star', close up deatil of the flower.

Lewisia, Siskiyou lewisia, Lewisia Cotyledon Hybrids, close up of purple flowers.