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Tradescantia (Spiderwort) andersoniana ‘Osprey’

Osprey’ Spiderwort is a perennial that has white flowers with blue powder-puff centers from June to September. Petals curl inward like cupped hands. Clumps of grassy, strap-like leaves grow to 2 to 3 feet and are topped by clusters of large white flowers with feathery blue stamens during late- spring to mid-summer. The 1-inch, 3-petaled, triangular flowers open in the morning and dissolve away in the afternoon leaving no mess. Spiderwort can take full sun or partial shade in average soil. It will grow rampantly in moist soil and tolerates anything except drought. After flowering the foliage may sprawl and look untidy, at which time you might cut it down to the ground to rejuvenate it.


# Description Qty per Unit Units Available Price/Unit
TD870 Tradescantia (Spiderwort) andersoniana 'Osprey' out of stock $0.00

Plant Details +

Size #1
Height 18-24"
Spacing 12-15"
Hardiness Zones 3-9
Exposure Full Sun to Part Shade
Foliage Grass-like Green
Flower White with Blue Powder-Puff Centers
Bloomtime Late-Spring to Mid-Summer

General Information +

Botanical: Tradescantia andersoniana 'Osprey'

Common: Spiderwort

Family: Commelinaceae

General Characteristics: Spiderwort is a low-growing and clump-forming. Blue to white, three-petaled flowers (.75-1.5" diameter) accented by fringed yellow stamens open up, a few at a time, each for only one day, from terminal clusters (umbels) containing numerous flower buds. Arching, grass-like, dark green leaves up to 7" long and 1/2" wide are folded lengthwise forming a groove. Sometimes commonly called wild crocus. The flowers bloom from late-spring to mid-summer. Excellent for providing some color in difficult locations, or in naturalized plantings. Easily grown in soils that are moist to boggy. Can be sheared to the ground in midsummer. New foliage and flowers will return with Fall.

Planting/Care Instructions +

Pests or Diseases: No serious insect or disease problems.

Planting Instructions: Dig a hole large enough to encompass the roots without bending or circling. Set the plant in place so the crown (part of the plant where the root meets the stem) is about 1-2 inches below the soil surface. Cover with soil to the original soil surface and water thoroughly. Grow in average, medium wet, well-drained soil in part shade. Prefers moist, acidic soils. Tolerant of poor soils. Divide clumps when they become overcrowded. Foliage declines after flowering and should then be cut back almost to the ground to encourage new growth and a possible fall bloom. Can self-seed and spread in the garden in ideal growing conditions.