Heirloom

Benary's Giant Bright Pink

Zinnia elegans

Photo: Aris riyanto · Wikimedia Commons · (CC BY-SA 4.0)

Benary's Giant Bright Pink is a vigorous heirloom zinnia cultivar prized for its large, double-petaled blooms in vibrant hot pink. Reaching mature height of 24-36 inches, it flowers prolifically in 75-90 days from seed. The substantial 4-5 inch flower heads are excellent for cut arrangements and garden display. This variety thrives in full sun and well-draining soil, offering reliable performance for both beginner and experienced gardeners seeking bold color impact in beds and borders.

Harvest

75-90d

Days to harvest

📅

Sun

Full sun

☀️

Zones

2–11

USDA hardiness

🗺️

Height

0-3 feet

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Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Start Indoors

Transplant

Direct Sow

Start Indoors

Transplant

Direct Sow

Showing dates for Benary's Giant Bright Pink in USDA Zone 7

All Zone 7 flower →

Zone Map

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Benary's Giant Bright Pink · Zones 2–11

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing18-24 inches

SoilWell-draining loam

WaterRegular, consistent moisture

SeasonWarm season annual

ColorBright pink

Size4-6"

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 1	May – June	July – August	July – September	—
Zone 2	April – May	June – July	June – August	—
Zone 11	January – January	January – February	January – March	—
Zone 12	January – January	January – February	January – March	—
Zone 13	January – January	January – February	January – March	—
Zone 3	April – May	June – July	June – August	—
Zone 4	March – April	June – June	June – July	—
Zone 5	March – April	May – June	May – July	—
Zone 6	March – April	May – June	May – July	—
Zone 7	February – March	April – May	April – June	—
Zone 8	February – March	April – May	April – June	—
Zone 9	January – February	March – April	March – May	—
Zone 10	January – January	February – March	February – April	—

Succession Planting

Direct sow every 2-3 weeks from your last frost date through early June for a continuous cut-flower supply. In zone 7, that window runs roughly April 1 through June 10; once daytime highs are regularly above 90°F, germination rates drop and young seedlings struggle to size up before heat stress sets in. A single mid-May sowing will typically carry you through first frost in October, which covers most of the cut-flower season on its own.

If you're starting indoors, sow 4-6 weeks before your transplant date and don't push it earlier — zinnias get root-bound in cells faster than you'd expect, and stunted transplants rarely catch up to direct-sown plants. Set transplants out after nighttime temps are reliably above 50°F. Direct sowing is honestly the easier route: 7-14 days to germination, no hardening off, no transplant shock.

Complete Growing Guide

Recommended by the Association of Specialty Cut Flower Growers. High yields of long, sturdy stems with 4-6" fully double, dahlia-like blooms. Excellent vase life. Vigorous plants hold up well in summer heat and rain. Low susceptibility to powdery mildew. Cut-and-come-again flower, yielding multiple cuts over the season. According to Johnny's Selected Seeds, Benary's Giant Bright Pink is 75 - 90 days to maturity, annual, open pollinated. Notable features: Use for Cut Flowers and Bouquets.

Light: Full sun (6 or more hours of direct sunlight a day). Soil: High Organic Matter, Loam (Silt). Soil pH: Acid (<6.0), Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage, Occasionally Dry. Height: 0 ft. 6 in. - 3 ft. 0 in.. Spread: 0 ft. 8 in. - 1 ft. 0 in.. Spacing: 12 inches-3 feet. Growth rate: Rapid. Maintenance: Medium. Propagation: Seed. Regions: Coastal, Mountains, Piedmont.

Harvesting

Benary's Giant Bright Pink reaches harvest at 75 - 90 days from sowing per Johnny's Selected Seeds. Expect 4-6" at peak. As an annual, harvest continues until frost ends the season.

Type: Achene.

Storage & Preservation

For fresh storage, keep cut stems in a clean vase filled with cool water (65-72°F) in a cool location away from direct sunlight and ripening fruit. Refrigeration extends vase life to 7-10 days; maintain humidity around 90% and change water every 2-3 days. For longer preservation: air dry upside-down in a dark, well-ventilated space (10-14 days) for dried arrangements; press flowers between acid-free paper under heavy weight for 2-3 weeks; or freeze blooms in water in ice cube trays for decorative use in beverages.

History & Origin

Benary's Giant Bright Pink is open-pollinated, meaning seed saved from healthy plants will produce true-to-type offspring. Listed in the Johnny's Selected Seeds catalog.

Origin: Mexico

Advantages

+Produces long, sturdy stems ideal for professional cut flower arrangements
+Generates high yields with cut-and-come-again harvesting throughout the season
+Fully double dahlia-like blooms reach impressive 4-6 inches across
+Maintains vigor and blooms reliably during hot, rainy summer weather
+Resistant to powdery mildew, reducing need for fungicide treatments

Considerations

-Requires 75-90 days to first bloom, limiting mid-season sowings
-Bright pink color may clash with certain garden design schemes
-Tall plants with long stems need staking or support structures
-Prefers well-draining soil and may struggle in poorly drained areas

Companion Plants

Marigolds and Sweet Alyssum do the most useful work here. French marigold varieties like 'Petite Gold' deter aphids and whiteflies through root secretions and foliage scent, and because they run on roughly the same bloom schedule as Benary's Giant, the bed stays full without awkward gaps. Sweet Alyssum draws in parasitic wasps and hoverflies — both of which hunt the soft-bodied insects that occasionally chew zinnia foliage — and its low mat habit fills ground-level space that zinnias, growing 2-3 feet tall, leave open anyway. Nasturtiums work on a different principle: they're aphid magnets that pull pressure away from nearby plants, a useful decoy in a mixed cutting garden.

Black Walnut trees and Fennel are the two to avoid. Juglone, the compound Black Walnuts produce, leaches through the soil and can stunt or kill annuals planted within their drip line — and that drip line on a mature tree runs well past where most gardeners expect it to. Fennel is a quieter problem: its root exudates suppress neighboring plants, and it tends to attract pests that don't stay put. Neither pairs well with zinnias or with most of what you'd grow alongside them.

Plant Together

Marigolds

Repel aphids, whiteflies, and nematodes while attracting beneficial insects

Nasturtiums

Act as trap crops for aphids and cucumber beetles, drawing pests away from zinnias

Basil

Repels thrips, aphids, and spider mites while attracting pollinators

Cosmos

Similar growing requirements and bloom time, attract beneficial predatory insects

Sunflowers

Provide beneficial shade and attract pollinators and pest predators

Cleome

Similar height and bloom period, attracts hoverflies that control aphids

Lavender

Repels moths, fleas, and mosquitoes while attracting beneficial pollinators

Sweet Alyssum

Attracts beneficial wasps and hoverflies that prey on zinnia pests

Keep Apart

Black Walnut Trees

Release juglone toxin that stunts growth and causes wilting in zinnias

Impatiens

Compete for similar nutrients and water, both susceptible to similar fungal diseases

Fennel

Produces allelopathic compounds that inhibit growth of most flowering annuals

Pests & Disease Resistance

Diseases

Powdery mildew (low susceptibility)

Troubleshooting Benary's Giant Bright Pink

What you'll see, why it happens, and what to do about it.

White powdery coating on upper leaf surfaces, usually appearing mid-summer when nights cool down

Likely Causes

Powdery mildew (Podosphaera xanthii) — fungal spores spread by wind, thrives when days are warm and nights dip below 60°F
Poor airflow from tight spacing or planting near a wall

What to Do

1.Space plants at least 18 inches apart — crowding is the main thing you can control
2.Remove and trash (don't compost) the worst-affected leaves to slow spread
3.Apply a diluted neem oil spray (2 tsp per quart of water) every 7 days until symptoms stop advancing — it won't cure existing mildew but slows new infection

Seedlings stretch tall and flop over within 5-10 days of germination, stems thin as thread

Likely Causes

Damping off (Pythium or Rhizoctonia spp.) from overwatering combined with low light
Insufficient light — zinnias need 6+ hours of direct sun; a dim windowsill won't cut it

What to Do

1.Move trays under a grow light positioned 2-3 inches above the seedlings, running 14-16 hours per day
2.Water only when the top half-inch of the seed-starting mix is dry — zinnias hate wet feet at the seedling stage
3.Start fresh if the stem has pinched off at the soil line; collapsed seedlings don't recover

Flower buds form but fail to open, or open petals turn brown and papery at the edges

Likely Causes

Botrytis blight (Botrytis cinerea) — a gray mold that moves in during extended wet or humid weather
Spent blooms left on the plant trapping moisture against developing buds

What to Do

1.Deadhead every 3-5 days — clip the stem back to the next lateral bud, not just the spent head, so you're not leaving a rotting stub
2.Water at the base of the plant, not overhead; wet petals are an open invitation for Botrytis
3.If you see gray fuzzy mold on a stem, remove it entirely and thin surrounding plants to open up airflow

Frequently Asked Questions

How long do Benary's Giant Bright Pink flowers last in a vase?▼

With proper care, these flowers typically last 7-10 days in a vase. To maximize longevity, use a clean vase, change water every 2-3 days, trim stems at an angle, remove lower foliage, and keep them in a cool location away from direct sunlight and ripening fruit. The excellent vase life is one of their standout features.

Is Benary's Giant Bright Pink good for beginner flower growers?▼

Yes, this variety is excellent for beginners. It's classified as easy to grow, produces vigorous plants that hold up well in summer heat and rain, and has low susceptibility to powdery mildew. The cut-and-come-again nature means you get multiple harvests, making it forgiving and rewarding for novice growers.

Can you grow Benary's Giant Bright Pink in containers?▼

Yes, these flowers can be grown in containers, though they need adequate space for vigorous growth. Use large pots (at least 12-18 inches deep) with well-draining potting soil. Ensure full sun exposure (6+ hours daily) and consistent watering. Container growing works well for cut flower production on patios or balconies.

When should I plant Benary's Giant Bright Pink seeds?▼

Start seeds indoors 6-8 weeks before your last frost date, or direct sow after the last frost when soil has warmed. These flowers take 75-90 days to harvest, so timing depends on your desired bloom period. They prefer full sun and warm conditions, so wait until frost danger has passed before transplanting outdoors.

How often should I cut Benary's Giant Bright Pink flowers?▼

This is a cut-and-come-again variety, meaning it produces multiple flowers over the season. Regular harvesting encourages more blooms, so cut frequently as needed for arrangements. Remove spent flowers promptly and deadhead any blooms left on the plant to stimulate continuous flowering throughout the growing season.

What size are the blooms on Benary's Giant Bright Pink?▼

The fully double, dahlia-like blooms are 4-6 inches across, held on long, sturdy stems. This generous flower size makes them perfect for cut flower arrangements and floral designs. The substantial blooms are one of the variety's key features recommended by the Association of Specialty Cut Flower Growers.