Ligurian Autumn Crocus
Crocus medius

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Crocus (KROH-kus) (Info)
Species: medius (MEED-ee-us) (Info)

Category:

Alpines and Rock Gardens

Bulbs

Height:

under 6 in. (15 cm)

Spacing:

3-6 in. (7-15 cm)

Hardiness:

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Full Sun

Danger:

Parts of plant are poisonous if ingested

Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Violet/Lavender

Bloom Time:

Mid Fall

Foliage:

Silver/Gray

Smooth-Textured

Other details:

This plant is attractive to bees, butterflies and/or birds

Average Water Needs; Water regularly; do not overwater

This plant is resistant to deer

Suitable for growing in containers

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Non-patented

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:

Unknown - Tell us

Regional

This plant has been said to grow in the following regions:

Little Rock, Arkansas

Garberville, California

Los Altos, California

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Sep 27, 2004, Howard_C from St John's, NL wrote:

Crocus medius is one of the easiest of the autumn flowering crocuses to grow. However, here in St John's Newfoundland (Canadian zone 5b) it is not quite hardy outside, only lasting a year or two. On the other hand, it does very well in a clay pot sunk in sand in an unheated coldframe, contributing to the wonderful view from the window of my basement study during October when it flowers. I think it would do well a zone or two warmer.

The flowers are lilac with brilliant scarlet styles, yellow anthers, and a white throat, and last for two or three weeks, the leaves appearing later. According to Brian Mathew's book "The Crocus" it occurs wild in a fairly small region of NW Italy, mostly in the province of Liguria, and is related to C. nudiflorus (Spain) and C. longiflorus (... read more