SKU: 90449670358
cycad potting mix

cycad potting mix Dioon spinulosum – Giant Mexican Cycad (Live Potted Plant) – VIRIAR

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Description

cycad potting mix Dioon spinulosum – Giant Mexican Cycad (Live Potted Plant) – VIRIARDioon spinulosum Spineless Dioon Ancient cycad with striking spiny foliage from Mexico About Dioon spinulosum Dioon spinulosum, commonly known as the Spineless Dioon or Spinulose Cycad, is a striking and ancient cycad native to Mexico and parts of Central America. This cycad is renowned for its distinctive, spiny foliage and sturdy growth habit, making it a popular choice for ornamental gardening and landscape design. The Spineless Dioon is a slow

Dioon spinulosum

Spineless Dioon

Ancient cycad with striking spiny foliage from Mexico

About Dioon spinulosum

Dioon spinulosum, commonly known as the Spineless Dioon or Spinulose Cycad, is a striking and ancient cycad native to Mexico and parts of Central America. This cycad is renowned for its distinctive, spiny foliage and sturdy growth habit, making it a popular choice for ornamental gardening and landscape design.

The Spineless Dioon is a slow-growing cycad that can reach heights of 2–4 meters (6–13 feet) with a similar spread. It features a short, stout trunk that supports a rosette of large, pinnate leaves. The leaves are dark green, leathery, and have a unique, spiny texture along their margins, which gives the plant its common name. The leaves can grow up to 1.5 meters (5 feet) long and are arranged in a circular pattern around the trunk. The plant produces reproductive cones characteristic of cycads but does not bear traditional flowers.

Ancient Elegance: Dioon spinulosum is a unique and eye-catching cycad that adds a touch of ancient elegance to any landscape. Its distinctive foliage and durability make it a favorite among garden enthusiasts and collectors seeking a remarkable plant for their collections.

Growing Conditions

Light Requirements

Dioon spinulosum thrives in full sun to partial shade. It prefers bright, direct sunlight but can tolerate some afternoon shade, particularly in hotter climates. Ensure it receives at least 4–6 hours of sunlight per day for optimal growth.

Temperature Preferences

This cycad prefers warm climates with temperatures ranging from 15–30 °C (59–86 °F). It can tolerate brief periods of cooler temperatures but should be protected from frost and temperatures below 5 °C (41 °F). It is best suited for USDA zones 9–11.

Soil Composition

The Spineless Dioon prefers well-draining, sandy or loamy soils rich in organic matter. It can adapt to various soil types but thrives in slightly acidic to neutral pH conditions. Ensure good drainage to prevent root rot.

Water Management

Regular watering is important, especially during the growing season. Keep the soil consistently moist but not waterlogged. Reduce watering in the winter months when the plant's growth slows down.

Planting and Care

Planting Location

Choose a location with full sun or partial shade and ensure well-draining soil. For container planting, use a large pot with good drainage and a nutrient-rich potting mix. If planting in the ground, ensure the site has well-draining soil and enough space for the plant's growth.

Fertilization Program

Feed Dioon spinulosum with a balanced, slow-release fertilizer formulated for cycads. Apply fertilizer every 6–8 weeks during the growing season to support healthy growth. Avoid over-fertilizing, as this can lead to nutrient imbalances.

Maintenance Requirements

Prune off any dead or damaged leaves to maintain the plant's appearance and encourage new growth. The Spineless Dioon is relatively low-maintenance but should be monitored for pests and diseases. Check for common issues such as scale insects, aphids, or fungal infections.

Growing from Seeds

Seed Preparation

Soak the seeds of Dioon spinulosum in warm water for 24–48 hours to soften the outer seed coat and improve germination rates. Scarify the seeds by lightly sanding them if necessary.

Sowing Medium

Sow the seeds in a well-draining seed-starting mix. Plant the seeds about 2–3 cm (1 inch) deep and cover lightly with soil.

Germination Conditions

Place the seed tray in a warm, sunny location with temperatures around 25–30 °C (77–86 °F). Keep the soil consistently moist but not waterlogged. Germination can be slow and may take several weeks to a few months.

Care for Seedlings

Once seedlings emerge, provide them with bright, indirect light and gradually acclimate them to more direct sunlight. Transplant seedlings into larger pots or directly into the garden when they are large enough to handle.

Quick Reference Guide

Botanical Name
Dioon spinulosum
Common Name
Spineless Dioon
Origin
Mexico & Central America
Light
Full Sun to Partial Shade
Temperature
15–30°C (59–86°F)
Hardiness
USDA Zones 9–11
Mature Height
2–4 meters (6–13 feet)
Provider
VIRIAR.COM
VIRIAR.COM

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Specializing in authentic, carefully curated germplasm selected with meticulous precision and unwavering commitment to quality excellence.

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SKU: 90449670358

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Steven D
Boise, US
★★★★★ 5
Exact item ordered, quick delivery
Size: 9.5, Color: Black Polished Full Grain
I ordered these black Cole Haan penny loafers for casual wear with jeans, khakies, and even business casual with slacks and a jacket. They've always worked perfectly for these uses. The Cole Haan version is the most versatile and still meets my sophisticated look criteria. I wear a 9 1/2 M with almost all other shoes. I have found Cole Haan to run slightly wider and slightly shorter. This fit will work with thin and no socks and a little loose in width. . I'd likely order a 10 N next time. I tend to forget this but it runs consistent with me for Cole Haan. 5 stars for the shoe and service. My bad on the slightly off fit.
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Reviewed in the United States on January 8, 2025
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Hugh62
Natrona Heights, US
★★★★★ 1
Poor quality control - maybe outlet store leftovers
Size: 11.5, Color: Burgundy Polished Full Grain
The two shoes were not the same size. They were both labeled 11 1/2 but one shoe was larger than the other and the fit was poor. I returned the first pair and ordered a replacement. This time the shoes were close to the same size but too loose and the left one has sewing issues. I've bought Johnston & Murphy for years because of the quality. These were to replace an existing pair of burgundy penny loafers that have finally worn out (even after several heal/sole replacements). That is the expected quality. I suspect Nashville Shoe Warehouse may be handling shoes that didn't measure up for the quality; more like an outlet mall than getting the J&M quality I've come to expect. Update: went to Johnston & Murphy site to buy "direct" from the manufacturer. There were several recent reviews where the shoes were long and didn't fit properly. Genesco - please step up the manufacture / crafting of these classic shoes to the level of quality they used to have.
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Reviewed in the United States on July 21, 2025
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Fabric Crazy
Pawtucket, US
★★★★★ 5
Really nice shoes
Size: 9, Color: Black Polished Full Grain
My husband enjoys wearing these shoes. Very classy looking. They fit well. They arrived quickly. He liked them so much he ordered another pair in a different color which have worked out just as well.
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Reviewed in the United States on February 3, 2026
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tjw
Lowell, US
★★★★★ 3
Way too narrow
Size: 9.5 Wide, Color: Burgundy Polished Full Grain
I ordered a wide in this shoe, but it was still way too narrow. I had to return them. Otherwise, it looked like a nice quality shoe.
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Reviewed in the United States on February 12, 2026
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BetterEveryDay
Massapequa, US
★★★★★ 5
I usually wear 11.5's, but I buy 1/2 size smaller to accommodate for stretch. Leather relaxes.
Size: 11, Color: Burgundy Polished Full Grain
5 STARS: These shoes are awesome. I keep coming back for more. I have major foot problems, have tried all kinds of shoes, orthotics, and inserts... but believe it or not, these shoes work better than any of that stuff. I wear them daily. I buy lots of them, for home, for church, and I'm getting my first pair of J&M boots today, for winters in Indiana... Brrrr
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Reviewed in the United States on December 18, 2025

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