Purple Sensation Allium Bulbs | Violet Globe Flowers

Add height and rich color to your spring border with Purple Sensation allium bulbs. Deep violet-purple globe flowers rise above the foliage on upright stems, creating a striking contrast with softer perennial leaves and flowers. Plant in groups for a repeated accent through borders, cottage gardens, or spacious containers.

Pack options

Choose 5, 10, 25, or 100 bulbs. One cart quantity purchases one selected pack. This listing is for bulbs to plant, not seeds, cut stems, or flowering potted plants.

Growing details

• Variety: Allium ‘Purple Sensation’.
• Flower color: deep violet-purple.
• Flower form: rounded globe clusters on upright stems.
• Typical height: approximately 24–30 inches; conditions can affect size.
• Bloom season: late spring to early summer, depending on climate.
• Life cycle: bulb-forming perennial.
• Light: full sun for best performance.
• Hardiness: listed for USDA zones 4–8; drainage and local conditions affect success.

Flowers can attract bees and other pollinators. Alliums are generally less appealing to deer than many garden plants, but deer resistance is not a guarantee against browsing. Returning blooms and multiplication depend on establishment and care, rather than being maintenance-free or guaranteed every year.

Fall planting

Plant in fall while the soil is workable, allowing time for roots to establish before the ground freezes. Choose full sun and freely draining soil. Avoid low spots that remain wet, especially during dormancy.

Set bulbs pointed end up at approximately two to three times their height in planting depth, following any instructions supplied with the bulbs. Space approximately 5–6 inches apart. Water after planting to settle the soil, allowing excess water to drain.

Watering and feeding

Provide moisture as needed during active growth without keeping the root zone saturated. Established plants generally need less watering during dormancy; avoid persistently wet summer soil. If feeding is needed, use a bulb fertilizer according to its label rather than assuming fertilizer is required at every planting.

Container care

Choose a deep pot with drainage holes and enough space for roots below the bulbs and suitable soil covering above. Use well-drained potting mix and position in good sunlight. Check moisture regularly during growth, and never leave the pot standing in water.

Container-grown bulbs are more exposed to winter cold than bulbs in the ground. Provide protection appropriate to your climate without keeping the pot warm enough to interrupt its normal seasonal cycle.

After flowering

Leave green foliage intact until it yellows naturally so it can replenish the bulbs. Allium foliage may begin declining around flowering time; nearby perennials can help soften its appearance without crowding the bulbs.

Remove flower heads before seed dispersal if you want to limit self-sowing, or leave dry heads for structure and decorative use. For cut flowers, use clean tools and leave as much healthy foliage as practical.

Dividing and long-term care

If established clumps become crowded and flowering declines, lift and divide when the foliage has died back and the bulbs are dormant. Replant in a well-drained location at appropriate spacing. Do not disturb actively growing bulbs simply to follow a fixed dividing schedule.

Important safety information

These are ornamental allium bulbs, not culinary onions or garlic. Keep bulbs and plants away from pets; alliums are toxic to dogs and cats if eaten. Store bulbs separately from food and keep away from children. Seek medical or veterinary advice if ingestion occurs.