PlantsColchicums→False Autumn Crocus (Colchicum x agrippinum)

Common names:
Give a thumbs up False Autumn Crocus
Give a thumbs up Showy Colchicum
Give a thumbs up Naked Ladies
Give a thumbs up Meadow Saffron
Give a thumbs up Naked Boys

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Dry Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Plant Height: 4 inch
Plant Spread: 6 inch
Leaves: Deciduous
Spring ephemeral
Other: Stalk up to 18 inches tall, with large leaves to 6 1/2 inches long by 3 inches wide, appear in the spring and die as summer progresses.
Flowers: Showy
Flower Color: Other: Heavily-chequered violet-rose.
Bloom Size: 1"-2"
Flower Time: Late summer or early fall
Inflorescence Height: 4 inch
Foliage Mound Height: 2 inch
Underground structures: Corm
Suitable Locations: Xeriscapic
Uses: Will Naturalize
Wildlife Attractant: Bees
Resistances: Deer Resistant
Rabbit Resistant
Toxicity: Leaves are poisonous
Roots are poisonous
Fruit is poisonous
Other: Toxic if ingested
Propagation: Seeds: Stratify seeds: Soak seeds and warm stratification, then cool
Other info: Very difficult from seed Different species require different conditions.
Propagation: Other methods: Offsets
Pollinators: Various insects
Containers: Suitable in 3 gallon or larger
Parentage: Colchicum autumnale x Colchicum variegatum


Garden Tours:  Valleylynn, Lynn SmithGarden Tours: Valleylynn, Lynn Smith
By Sharon on November 12, 2011

Let's take a trip this week to Oregon and visit the lovely gardens created by Lynn Smith and her husband, Cliff. It's always fun to step out of our own climate to see what grows well in another, and sometimes it's even more fun to see what our climates have in common. You are going to love what you see!

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Posted by valleylynn (Dallas, OR - Zone 8b) on Jun 4, 2012 2:40 PM

What an interesting plant, not just for the bloom.
I just learned that the ovary, where the seed pod is formed after fall blooming, is stored under ground in the base of the perianth tube.
What looks like the stem of the flower is actually a tube of petal-like tissue and is stored in the bulb underground.

The seed pod is brought to the surface when the leaves appear in the spring. You can see the maturing seed pot in the center of the large leaves.

The seeds are harvested by ants. They feed on the aril (or arillus), which is a specialized outgrowth on the seed. After eating it the seed is left in storage and ready to germinate when the time is right.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Flower ID by DocDarnell Sep 20, 2017 12:07 PM 3
What's caught your eye? ---Photos old and new by dirtdorphins Jan 23, 2021 3:35 AM 114
First Bloom by dirtdorphins Nov 11, 2015 8:04 PM 51
Fun photos by MrDad Jul 18, 2019 7:50 PM 674
What did you do today? by Leftwood Nov 8, 2020 6:57 AM 3,355

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