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Home Page » Home & Garden » Gardening » Saffron crocus: Crocus sativus

Saffron crocus: Crocus sativus

Other common names: fall crocus

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In fall, this crocus bears cup-shaped, lavender flowers with purple veining, but its most valuable contribution to the garden is the golden saffron it produces. Because of its small stature, it is ideal for rock gardens. Returning year after year, the plants multiply, spreading naturally over time.

Profile

Plant typebulb
Hardiness zones5 to 8
Lightfull-sun
Height3 in. to 2 in.
Habitupright
Soil pHneutral-pH7
Soil moistureaverage
Bloom timefall
Flower colorlavender
Bloom size2 in. to 2 in.
Foliage colormedium-green

did you know?

It takes more than 4,000 saffron crocus flowers to produce an ounce of saffron, the dried red-orange stigmas. Each flower produces only 3 stigmas that must be harvested by hand, making saffron the most expensive spice in the world.

general maintenance:

Crocuses are relatively carefree.

pests/diseases:

Squirrels may eat bulbs.

controls:

Plant in very gravelly soils to deter digging pests. To protect against squirrels, plant corms in wire cages.

how to sow/plant:

In fall, about 6 weeks before the ground freezes, plant in lawn or beds. To prepare beds (using a digging fork to avoid damaging nearby tree roots), turn soil to a depth of 6 inches, and rake smooth. Set corms 3 inches deep and 3?4 inches apart. Unless soil is very dry, there is no need to water after planting.

water and fertilize:

Maintain soil moisture during active growth. Apply bonemeal at planting following label directions. After the ground freezes in winter, mulch beds with evergreen boughs to protect from freeze-thaw cycles.

garden hint:

For a naturalized look, toss a handful of corms on the ground and plant, separating any that land too close together.

features:

  • Attractive Flowers
  • Attractive Foliage

garden uses:

  • Flowerbed borders
  • Naturalizing
  • Rock Garden

other uses:

  • Culinary/Edible (use saffron in risotti, desserts, and pastries)
  • Dye (yellow-orange)

combine with:

other bulbs in the rock garden like species tulips, snowdrop cape tulip and crocus for blooms throughout the season.

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