Seed Swaps

Garden Gladiolus 'Blue Isle'   

Gladiolus x hortulanus

  • 3 plantings
  • 0 available for swap
  • 2 wanted
  • 3 stashed

Blue Isle is a variety of Garden Gladiolus which is a member of the Gladiolus family. Its botanical name is Gladiolus x hortulanus 'Blue Isle'. Blue Isle is a hybrid variety. Blooms normally display as a colour very similar to   Majorelle Blue. When mature, blooms are roughly 6.0 cm (that's 2.34 inches in imperial) in diameter.The mature flowers take a Single form, with an approximate petal count of 5. Leaves usually appear in   Ao green colour.

These easy going yet elegant plants provide spires of blue in early summer, and spread, but not too aggressively.

Blue Isle grows as a Perennial and is a Flower. Being a Perennial, it tends to grow best over several years (approx 3 years and greater). Blue Isle is known for its Erect habit and growing to a height of approximately 1.52 metres (4.94 feet). This variety tends to bloom in mid summer.

South Africa is believed to be where Blue Isle originates from.

Blue Isle Garden Gladiolus is normally fairly low maintenance and quite easy to grow, as long as a level of basic care is provided throughout the year. Being aware of the basic soil, sun and water preferences will result in a happier and healthier plant.

This variety plant info is provided by the myfolia gardener's wiki. All details about Blue Isle have been kindly provided by our members.

How to grow Blue Isle

  • Full Sun

  • Medium

Mulch to retain moisture. Fertilize lightly.

Plant in a location that enjoys full sun and remember to water moderately. Blue Isle is generally regarded as a half hardy plant, so remember to protect this plant from frosts and low temperatures. Use USDA Hardiness Zone 8 - 10 as your guideline for the appropriate climate for this plant. Blue Isle needs a soil ph of 6.7 to 7.0 (weakly acidic soil - neutral soil).

Growing Blue Isle from seed

Try to aim for a seed spacing of at least 7.02 inches (18.0 cm) and sow at a depth of around 4.29 inches (11.0 cm).

Transplanting Blue Isle

Plant corms at two-week intervals starting in early spring and until the end of June.

Blue Isle is half hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside - as a guideline, the minimum temperature outside should be approximately 2°C / 36°F.

Harvesting Blue Isle

Gladiolus can be harvested three to four months after planting. Choose either early morning or night and harvest before the top blossoms opens. You can snip back the spent flowers.

This variety tends to mature and be ready for harvest in mid summer.

Other Names for Garden Gladiolus 'Blue Isle'