The shasta daisy, is one of the best of the white daisies. White shasta daisies have been a favorite flower in yards and gardens across the country. The shasta daisy, Leucanthemum x superbum, is a widely recognized flower that produces excellent fresh cut flowers for a long-lasting garden display. Shasta daisies are perennials, and can reach a height of 36” and a width of 24”.
They are a medium textured plant that has an upright growth habit. Shasta Daisies prefer full sun, but will tolerate a partly shaded area. They also make great border plants for flower beds and are frequently used in creating a meadow effect. Shasta daisies grow in zones 4 to 8 with no problem.
Growing White Daisies
The daisy does prefer the full sun and moderately fertile, well drained soil with a PH of 5.50-7.0. Plants may often be short lived in the South. Their white flowers with a yellow central disk appears from early summer through early autumn.
There are many varieties of shasta daisies: lecucanthemum x superbum, 'Broadway Lights', 'Broadway- Yellow', 'Snowcap', 'Amelia', 'Alaska', and other beauties as well.
Flowers are excellent for cutting. The plants are well suited for the perennial border or the container. Good companion plants include ‘Bonica’ and ‘Carefree Wonder’ roses, Kansas gayfeather, and ‘Silver Carpet’ lamb’s-ears. You might also like to plant asters, as they resemble daisies, but will prefer the colder zones to do well.
Planting Shasta Daisies
Shasta daisies should be planted 18-24” apart in spring or fall. You should apply a slow release granular plant food at the time of planting. Watering should be done when the soil is dry by watering the plant deeply.
Apply 3” of vegetative mulch in summer and winter to reduce weed seed germination, retain moisture, and to keep soil temperatures stable. Try to deadhead spent blooms to encourage re-blooming. Prune them back in fall once frost withers the foliage.
Propagation of Shasta Daisies: Divide daisies in spring or fall. Remember to remove side shoots from the plants during the division process. Only replant pieces that contain healthy roots and vigorous shoots.
Pests and Diseases on Shasta Daisies
Diseases include crown gall, powdery mildew, leaf spots, and rust. Aphids and slugs may also be troublesome.
Related Species of these are: ‘Alaska’ with its white flowers, ‘Phyllis smith’ which bears single white blooms with twisted petals, ‘Snow Lady’ also has single white flowers, and ‘Wirral Pride’ which has double flowers.