Dioon ( Dioon )

Members of this genus look like cycads, but are less cold tolerant and slower growers. Plant in partial shade and water regularly. Trunk on plant is short, stocky and only a few feet high. Fronds are dark green, stiff and up to 5 feet long.


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Characteristics

Cultivar: n/a  
Family: Zamiaceae  
Size: Height: 3 ft. to 10 ft.
Width: 2 ft. to 6 ft.  
Plant Category: palms and cycads,  
Plant Characteristics: vase-shaped,  
Foliage Characteristics: coarse leaves, evergreen,  
Flower Characteristics:  
Flower Color:  
Tolerances: heat & humidity,  


Requirements


Bloomtime Range: not applicable  
USDA Hardiness Zone: 9 to 11  
AHS Heat Zone: Not defined for this plant  
Light Range: Dappled to Part Sun  
pH Range: 4 to 7.5  
Soil Range: Sandy Loam to Potting Soil  
Water Range: Normal to Moist  





Plant Care

Fertilizing

How-to : Fertilize Monthly

Now is the time to begin fertilizing with a water-soluble fertilizer. Continue through the end of summer.

Light

Conditions : Partial Shade

Partial Shade is defined as filtered light found beneath trees with high limbs. Partial shade usually offers some protection from direct afternoon sun.

Watering

Conditions : Moist and Well Drained

Moist and well drained means exactly what it sounds like. Soil is moist without being soggy because the texture of the soil allows excess moisture to drain away. Most plants like about 1 inch of water per week. Amending your soil with compost will help improve texture and water holding or draining capacity. A 3 inch layer of mulch will help to maintain soil moisture and studies have shown that mulched plants grow faster than non-mulched plants.

Planting

How-to : Planting Shrubs

Dig a hole twice the size of the root ball and deep enough to plant at the same level the shrub was in the container. If soil is poor, dig hole even wider and fill with a mixture half original soil and half compost or soil amendment.

Carefully remove shrub from container and gently separate roots. Position in center of hole, best side facing forward. Fill in with original soil or an amended mixture if needed as described above. For larger shrubs, build a water well. Finish by mulching and watering well.

If the plant is balled-and-burlapped, remove fasteners and fold back the top of natural burlap, tucking it down into hole, after you've positioned shrub. Make sure that all burlap is buried so that it won't wick water away from rootball during hot, dry periods. If synthetic burlap, remove if possible. If not possible, cut away or make slits to allow for roots to develop into the new soil. For larger shrubs, build a water well. Finish by mulching and watering well.

If shrub is bare-root, look for a discoloration somewhere near the base; this mark is likely where the soil line was. If soil is too sandy or too clayey, add organic matter. This will help with both drainage and water holding capacity. Fill soil, firming just enough to support shrub. Finish by mulching and watering well.

How-to : Preparing Containers

Containers are excellent when used as an ornamental feature, a planting option when there is little or no soil to plant in, or for plants that require a soil type not found in the garden or when soil drainage in the garden is inferior. If growing more than one plant in a container, make sure that all have similar cultural requirements. Choose a container that is deep and large enough to allow root development and growth as well as proportional balance between the fully developed plant and the container. Plant large containers in the place you intend them to stay. All containers should have drainage holes. A mesh screen, broken clay pot pieces(crock) or a paper coffee filter placed over the hole will keep soil from washing out. The potting soil you select should be an appropriate mix for the plants you have chosen. Quality soils (or soil-less medias) absorb moisture readily and evenly when wet. If water runs off soil upon initial wetting, this is an indicator that your soil may not be as good as you think.

Prior to filling a container with soil, wet potting soil in the bag or place in a tub or wheelbarrow so that it is evenly moist. Fill container about halfway full or to a level that will allow plants, when planted, to be just below the rim of the pot. Rootballs should be level with soil line when project is complete. Water well.

How-to : Repot

Now is the right time to repot.

Problems

Miscellaneous

Plant Images

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