Why did my plant disappear?

It is likely in its natural summer dormancy phase.

Can I grow this outdoors?

Only in mild climates with excellent drainage and protection from summer rain.

Plant guide

Chilean Blue Crocus.

Tecophilaea cyanocrocus

Pronounced tek-oh-fill-EE-ah sigh-an-oh-KRO-kus

Also known as Chilean Blue Crocus, Chilean blue-crocus, Chilean-crocus

The Chilean Blue Crocus is a rare and stunning bulbous plant from the Andes. It produces intense, gentian blue flowers that are highly prized by collectors. It is a true gem for those who enjoy a challenge in the garden.

Another photo of Chilean Blue Crocus — Photo by Daniel Cahen (CC BY) via iNaturalist

At a glance

Care level: Difficult
Plant type: Bulbous perennial
Light: Full sun to partial shade
Indoor light: Bright indirect
Water: Every 7 to 14 days
Mature size: 10 to 15 cm
Growth rate: Slow
Hardiness: USDA 7 to 9
Bloom time: Late winter to early spring

Care

This plant requires a very well draining, gritty soil mix to prevent rot. Keep it cool and dry during its summer dormancy period. Watch for signs of excess moisture, as the corms are quite sensitive to damp conditions.

Watering: Water regularly during the active growing season but keep completely dry while dormant.
Feeding: Apply a low nitrogen, potassium rich fertilizer during the active growth phase.
Pruning: Remove dead foliage only after it has completely withered and turned brown.
Repotting: Repot only when the corms become overcrowded or the soil quality degrades.
Soil: Gritty, well draining, sandy soil
Soil pH: Neutral to slightly acidic
Temperature: -5 to 30°C
Humidity: 40 to 60%
Drought tolerance: High
Lifespan: Perennial, typically 5 to 10 years
Fragrance: Light
Deer and rabbits: Moderate

Signs it needs repotting

Bulbs becoming crowded in the pot
Poor flowering performance
Soil becoming compacted

Safety

People: The plant is not known to be toxic, but it is not intended for human consumption.
Children: Keep bulbs away from small children as they can be a choking hazard if swallowed.
Edibility: This plant is not considered edible and should not be consumed.

How to identify it

Intense gentian blue, trumpet shaped flowers
White throat with dark blue veining
Narrow, grass like basal foliage
Small, corm based growth habit

Height: 0.05 to 0.15m
Spread: 0.05 to 0.1m
Leaves: green, deciduous
Flowers: blue, white, 3 to 5cm

Problems to watch for

Bulb RotCommon
Root RotUncommon
Slugs and SnailsUncommon
AphidsRare

By symptom

Plant problems by symptom

Check your chilean blue crocus from a photo

Pocket Botanist looks at a photo of your plant and tells you what's wrong and what to try first.

Growing it

Propagation: seed, division
When to plant: autumn
Overwintering: Keep the soil relatively dry and protect from extreme frost in pots. Ensure the bulbs do not sit in freezing, waterlogged soil.
In containers: It thrives in containers, especially in alpine pans, provided the drainage is perfect.

Seed

1. Sow seeds in autumn in a gritty mix.
2. Keep the pot in a cold frame.
3. Germination usually occurs in late winter.

Pair with other small, drought tolerant bulbs that appreciate a dry summer rest.

Grows well with

Snowdrop · They share similar environmental needs and bloom timing.
Miniature Daffodil · These provide a nice contrast in color and form.

Similar species

Spring Crocus · They have a similar growth habit and flowering time.

Science

Family: Tecophilaeaceae
Genus: Tecophilaea
Order: Asparagales
Class: Liliopsida
Native range: Central Chile
Conservation: It is highly protected in its native Chile and rare in cultivation.

It grows on rocky, well drained slopes where it experiences wet winters and very dry summers.

Value to wildlife: early season nectar source
Pollinators: bees
Uses: rock gardens, alpine houses, containers

Through the year

JFMAMJJASOND

Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 1/9
Soil reaction: 6/9
Light: 7/9
Temperature: 5/9
Moisture: 3/9
Nutrients: 4/9

Taxonomy resolved against GBIF.

Questions people ask

Why did my plant disappear?: It is likely in its natural summer dormancy phase.
Can I grow this outdoors?: Only in mild climates with excellent drainage and protection from summer rain.

Where the name comes from

The genus honors Tecophila Billotti, daughter of the Italian botanist Luigi Colla, while the species name refers to its crocus like appearance.

Good to know

It is often called the Chilean Blue Crocus.
The flowers are famous for their intense, electric blue color.
It requires a strict dry summer dormancy to survive.
It is a prized specimen for alpine plant enthusiasts.

Also in

Drought-tolerant plants

Keep your chilean blue crocus growing

This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.

Get the app

This guide was generated with AI on September 26, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.