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‘Summer Fireworks’ allium mix forming a compact clump of green foliage topped by white and purple globe-shaped umbels

Ornamental bulbs Amaryllidaceae

Ornamental bulbs

Van Noort

‘Summer Fireworks’ Allium Mix

Name: ‘Summer Fireworks’ Allium Mix
Brand: Van Noort
SKU: van-348-193-01
Price: 16.99 CAD
Availability: OutOfStock

‘Summer Fireworks’ combines two No. 1 grade ornamental onion plants with white and purple umbels made of small star-shaped flowers. Van Noort lists 50 cm height, 40 cm spread, clumping growth, Zone 4 hardiness, 2.5 cm planting depth, and 30 cm spacing. Late-summer flowers attract pollinators and suit borders, containers, and arrangements. Plant in spring in sun or partial shade with moist but freely drained soil. Exact component species are not specified. Allium plants can be toxic to cats and dogs when eaten, so keep plants, divisions, and debris inaccessible. Colour balance and flower count may vary naturally between packages.

Sold as 2 units

16 ⁹⁹$

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Common name‘Summer Fireworks’ ornamental onion mix

FamilyAmaryllidaceae

GenusAllium

CultivarSummer Fireworks

TypeOrnamental bulbs

Botanical nameAllium

‘Summer Fireworks’ Allium Mix (Allium) combines two No. 1 grade ornamental onion plants producing delicate white and purple globe-shaped umbels. Made of many small star-shaped flowers, they resemble fireworks above the green foliage. Van Noort lists an established height of 50 cm, a spread of 40 cm, and compact clumping growth. Late-summer flowering extends colour as many other perennials begin to decline. Hardy in Zone 4 and suitable for Zones 4 to 9, this mix returns yearly in freely drained soil. Exact component species and cultivar names are not specified.

Plant in spring in full sun or light partial shade. Set every plant approximately 2.5 cm deep and keep centres 30 cm apart, following Van Noort’s directions. Loose, moderately fertile, freely drained soil supports strong establishment. Water after planting, then keep soil moist during root establishment and flower-stalk formation without allowing water to remain around the crown. Light spring feeding is generally sufficient. For containers, choose a drained pot at least 30 cm wide and protect it from repeated freeze-and-thaw cycles. Avoid dense shade, compacted soil, and low areas where runoff collects after heavy rain.

Combine ‘Summer Fireworks’ with catmint, salvias, coneflowers, or compact grasses that maintain interest around the late umbels. Flowers may attract bees, butterflies, and other pollinating insects. Cut several stalks for fresh arrangements or let heads dry in the garden for their silhouette. After flowering, retain foliage while it remains green, then remove only dry material. Divide an overcrowded clump in spring. Allium plants can be toxic to cats and dogs when enough material is eaten, so keep plants, divisions, and debris inaccessible. Contact a veterinarian promptly if a pet ingests the plant or develops vomiting, weakness, panting, or unusual urine colour.

In the garden

Exposure: Full sun to partial shade
Life cycle: Perennial
Hardiness: Zones 4 to 8

Planting guide

Sowing & germination

Spacing / density

30 cm (12 in.) between plants

Best planting time

In spring, once soil has thawed and drained

Propagation

Divide offsets after dormancy

Growing method

In spring, choose a sunny or partly shaded site where water does not remain after rain. Loosen soil across an area wider than the root mass and add mature compost if fertility is low. Set every plant approximately 2.5 cm deep, keeping the crown near the surface, then keep centres 30 cm apart. Water deeply to settle soil around the roots. Maintain even moisture during establishment, then allow the surface to dry slightly between waterings. A light application of balanced fertilizer in spring is sufficient. Remove weeds by hand and avoid injuring the crown. During flowering, cut several stalks or leave them for pollinators. After bloom, retain every green leaf and remove only dry foliage. Divide a crowded clump in spring, replant healthy sections promptly, and water them. Mark the clump before winter so later cultivation does not damage it. Keep plants and debris inaccessible to cats and dogs because enough Allium material can be toxic when eaten. During the first season, inspect the crown after heavy rain and pull back mulch that holds moisture. A discreet label helps locate the clump the following spring. If a division becomes unstable after planting, firm soil gently around its roots without burying the crown more deeply. Protect new shoots from repeated foot traffic and avoid deep cultivation nearby.

Soil and care

Soil & care

Soil pH

pH 6.0 to 7.5

Care level

Easy

Watering

Water deeply after planting, then keep soil evenly moist during establishment and flower-stalk formation. Once the clump is established, allow the surface to dry slightly before watering again. Increase frequency during prolonged heat, especially in containers, but always empty saucers. Water at soil level rather than over the flowers to reduce spotting and lodging. After bloom, gradually reduce water as foliage declines. Avoid constantly saturated ground, which encourages crown and root rot. Check soil moisture directly instead of relying on a fixed calendar.

Soil type

Loose, moderately fertile, moist, freely drained soil is suitable. Compost-enriched loam performs well when rainwater can escape. Improve heavy soil with stable organic structure and avoid damp depressions. In containers, use an airy potting mix in a drained pot. Even moisture supports establishment and late flowering, but a constantly saturated crown can rot. A slightly acidic to neutral pH suits most ornamental alliums. Do not bury the crown more deeply than Van Noort’s 2.5 cm specification.

Fertilization

Add a small amount of mature compost in spring if soil fertility is low. After new shoots appear, one light application of balanced perennial fertilizer is generally sufficient. Avoid excessive nitrogen, which produces soft foliage and weaker stalks. In containers, use diluted fertilizer every four to six weeks during active growth, then stop after flowering. Water before feeding and always follow the label rate. A clump that flowers less may need division rather than more fertilizer. Do not apply fertilizer onto a dry crown or allow granules to collect against new leaves.

Moisture

Moderate moisture; avoid standing water

Seasonal care

In spring, remove dry debris, check drainage, and plant new divisions 2.5 cm deep with 30 cm between centres. Water during establishment and add a small amount of compost if soil is poor. In early summer, keep soil moist, remove weeds by hand, and monitor aphids, thrips, slugs, and snails. Avoid insecticides on open flowers to protect pollinators. In late summer, allow the white and purple umbels to open, cut several stalks for arrangements, or retain them in the garden. After flowering, remove stalks at the base if dried heads are not wanted, but keep green leaves. In autumn, remove only fully dry foliage and add light mulch in exposed areas. In winter, protect containers from repeated freeze-and-thaw cycles and stagnant moisture. Every three to five years, divide an overcrowded clump in spring, replant healthy sections, and water them. Check crowns after snowmelt and redirect runoff if water collects. Keep every division and plant scrap inaccessible to pets because Allium ingestion may damage red blood cells. After heavy rain, confirm that water drains and clear debris pressed against the crown. In windy regions, position the plants near natural support without shading them. If stalk numbers decline after several years, assess available space and light before adding fertilizer. Properly spaced division is often more useful than extra feeding. Clean tools between clumps when disease is suspected. In late winter, check container drainage openings before snowmelt, and remove protective wrapping gradually as temperatures stabilize. Resume watering only when growth begins and the mix starts drying below the surface.

Container growing

Recommended pot size

container at least 25 to 30 cm (10 to 12 in.) deep, with drainage

Choose a stable, drained container at least 30 cm wide and deep for the two plants. Fill it with rich but airy potting mix, then set the crowns approximately 2.5 cm deep without crowding them. Water until surplus drains freely and empty the saucer. Position the pot in sun or partial shade and rotate it regularly for balanced stalks. Keep the mix moist during establishment and flowering, but allow the surface to dry slightly between waterings. Apply diluted balanced fertilizer every four to six weeks during active growth. Cut several stalks for arrangements or allow umbels to dry. After flowering, retain green foliage. In winter, group pots in a protected location, insulate the sides, and prevent standing water. In spring, renew the upper potting-mix layer and divide only an overcrowded clump. Raise the pot slightly to preserve drainage after heavy rain. Keep the container beyond the reach of animals that chew plants. On a windy patio, place the container near an open screen that protects stalks without greatly reducing light. Check drainage holes after every move and replace the upper potting-mix layer if it becomes compacted. When the clump fills the pot, divide it in spring rather than simply increasing watering. Replant vigorous sections at the same shallow depth and discard soft or damaged tissue.

Bloom and dimensions

Size, flowering & harvest

Mature height

Approximately 50 cm (20 in.)

Width / spread

Approximately 40 cm (16 in.)

Flower color

White and purple

Foliage color

Green

Foliage type

Deciduous foliage that becomes dormant after flowering

Growth rate

Moderate

Growth habit

Compact clump with upright stalks

Fragrance

Subtle fragrance

Bloom period

Flowering occurs in late summer according to Van Noort’s structured specifications. Many small star-shaped flowers gather into white and purple globe-shaped umbels above an approximately 50 cm green clump. Stalk count and colour balance depend on the vigour of both plants, light, moisture, and establishment. Cut several stalks when most flowers are open for arrangements, or leave them for pollinators. Heads may dry in place and retain a decorative silhouette. Dense shade or saturated soil reduces flowering. Exact component species and cultivar names are not listed, so natural differences between packages should be expected.

Garden associations

Companion plants & uses

Companion plants

Combine ‘Summer Fireworks’ with catmint, perennial salvias, hardy geraniums, coneflowers, yarrow, and compact grasses. These plants share a preference for sun and drainage, while their softer shapes emphasize the white and purple globes. Sedums and asters can extend nectar availability after flowering. Keep 30 cm around every centre, avoid neighbours requiring saturated soil, and preserve access for division. No companion plant neutralizes Allium toxicity for pets. Choose verified non-toxic substitutions wherever animals can chew the planting. Repeating the same companions creates continuity between several allium groups without hiding their stalks or restricting airflow around the crowns.

Garden use

Middle of a sunny border, perennial bed, pollinator garden, repeated planting, path edge, container, and cutting garden. White and purple globes combine with catmint, salvias, coneflowers, and grasses. Use several packages for broader rhythm or one for a compact accent. Keep centres 30 cm apart, maintain drained crowns, and position cut stalks beyond the reach of pets. Dried heads also retain a decorative form late in the season. Avoid sites where pets routinely chew or dig around ornamental plants. A discreet label also protects the crown from accidental digging after the stalks disappear in winter.

Frequently asked questions

How should Summer Fireworks be planted in spring?

In spring, choose a site in sun or partial shade with loose, freely drained soil. Set every plant approximately 2.5 cm deep, keeping the crown near the surface, then keep centres 30 cm apart. Water deeply to settle soil around the roots and maintain even moisture during establishment. Avoid depressions where water remains and add only a small amount of compost or balanced fertilizer if soil is poor. For containers, use a drained 30 to 35 cm pot. The two plants may show different initial vigour. Keep divisions and debris inaccessible to cats and dogs because enough Allium material can be toxic when eaten. Mark the planting location so later cultivation does not injure the crowns.

When does Summer Fireworks allium bloom?

Van Noort’s structured specifications list flowering in late summer. Small star-shaped flowers open in white and purple globe-shaped umbels on approximately 50 cm stalks. Exact timing, colour balance, and stalk count vary with warmth, light, moisture, fertility, and establishment of both plants. For abundant flowers, provide several hours of sun, moist but drained soil, and light spring feeding. Dense shade, excessive nitrogen, or a saturated crown may reduce bloom. After flowering, retain green leaves so they replenish the clump before removing only dry material. Exact component species and cultivar names are not listed, so every package should be appreciated as a coordinated mix rather than a guaranteed count of each colour.

Does Summer Fireworks attract pollinators?

Yes. The many small flowers in the umbels can provide nectar and pollen for bees, butterflies, and other insects in late summer. Activity nevertheless varies with weather, region, planting size, and surrounding habitat. For more continuous forage, combine ‘Summer Fireworks’ with earlier salvias or catmint, followed by later sedums and asters. Avoid insecticides on open flowers and allow several heads to complete their bloom. Several repeated groups are generally more visible than one clump. Pollinator visits do not mean the plant is safe for domestic animals; Allium can be toxic to cats and dogs eating enough material. Keep pets away from crowns, divisions, cut stalks, and garden debris.

Is Summer Fireworks toxic to pets?

Yes. Plants in the Allium genus can damage red blood cells in cats and dogs when enough material is consumed. Possible signs include vomiting, weakness, rapid breathing, a high heart rate, or unusually dark urine. Keep plants, roots, divisions, leaves, cut flowers, and debris inaccessible. Do not allow an animal to dig around crowns, and place scraps in a closed waste container. After known or suspected ingestion, contact a veterinarian promptly even if the animal still appears normal because some effects may be delayed. This mix is sold as an ornamental plant and exact component species are not listed; no part should be offered as food to a person or animal. Choose a verified non-toxic alternative wherever access cannot be prevented.

Can Summer Fireworks be grown in a container?

Yes. Choose a stable, drained 30 to 35 cm pot for both plants. Fill it with rich but airy potting mix, set the crowns approximately 2.5 cm deep without crowding them, then water until surplus drains freely. Position the pot in sun or partial shade and rotate it regularly. Keep the mix moist during establishment and flowering, but allow the surface to dry slightly and always empty the saucer. Feed lightly every four to six weeks during active growth. After bloom, retain green foliage. In winter, protect the container from repeated freeze-and-thaw cycles and stagnant moisture. Raise it slightly to preserve drainage after heavy rain. Keep the pot beyond the reach of animals that chew plants because Allium material can be toxic when enough is eaten.

Wildlife and pets