Hybrid

Gold Rush

Helianthus annuus

Gold Rush (Helianthus annuus)

Photo: Charles Chaplin Productions / United Artists ยท Wikimedia Commons ยท (Public domain)

Rounded, overlapping, golden orange petals with chocolate-colored disk. Stem length is 18-32". 4-5" bloom size. Pollenless.

Harvest

60-65d

Days to harvest

๐Ÿ“…

Sun

Full sun

โ˜€๏ธ

Zones

2โ€“11

USDA hardiness

๐Ÿ—บ๏ธ

Height

1-10 feet

๐Ÿ“

Planting Timeline

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 Gold Rush in USDA Zone 7

All Zone 7 flower โ†’

Zone Map

Click a state to update dates

CANADAUSAYTZ3NTZ3NUZ3BCZ8ABZ3SKZ3MBZ3ONZ5QCZ4NLZ4NBZ5NSZ6PEZ6AKZ3MEZ4WIZ4VTZ4NHZ5WAZ7IDZ5MTZ4NDZ4MNZ4MIZ5NYZ6MAZ6CTZ6RIZ6ORZ7NVZ7WYZ4SDZ4IAZ5INZ6OHZ6PAZ6NJZ7DEZ7CAZ9UTZ5COZ5NEZ5ILZ6WVZ6VAZ7MDZ7DCZ7AZZ9NMZ7KSZ6MOZ6KYZ6TNZ7NCZ7SCZ8OKZ7ARZ7MSZ8ALZ8GAZ8TXZ8LAZ9FLZ9HIZ10

Gold Rush ยท Zones 2โ€“11

What grows well in Zone 7? โ†’

Growing Details

Difficulty
Easy
WaterModerate โ€” regular watering
SeasonWarm season annual
ColorGolden orange with chocolate disk
Size18-32".

Zone-by-Zone Planting Calendar

ZoneIndoor StartTransplantDirect SowHarvest
Zone 1May โ€“ JuneJuly โ€“ AugustJuly โ€“ Septemberโ€”
Zone 2April โ€“ MayJune โ€“ JulyJune โ€“ Augustโ€”
Zone 11January โ€“ JanuaryJanuary โ€“ FebruaryJanuary โ€“ Marchโ€”
Zone 12January โ€“ JanuaryJanuary โ€“ FebruaryJanuary โ€“ Marchโ€”
Zone 13January โ€“ JanuaryJanuary โ€“ FebruaryJanuary โ€“ Marchโ€”
Zone 3April โ€“ MayJune โ€“ JulyJune โ€“ Augustโ€”
Zone 4March โ€“ AprilJune โ€“ JuneJune โ€“ Julyโ€”
Zone 5March โ€“ AprilMay โ€“ JuneMay โ€“ Julyโ€”
Zone 6March โ€“ AprilMay โ€“ JuneMay โ€“ Julyโ€”
Zone 7February โ€“ MarchApril โ€“ MayApril โ€“ Juneโ€”
Zone 8February โ€“ MarchApril โ€“ MayApril โ€“ Juneโ€”
Zone 9January โ€“ FebruaryMarch โ€“ AprilMarch โ€“ Mayโ€”
Zone 10January โ€“ JanuaryFebruary โ€“ MarchFebruary โ€“ Aprilโ€”

Succession Planting

Gold Rush gives you one main head per plant plus a handful of branching laterals, so a single sowing means one concentrated flush of blooms around days 60โ€“65. If you want cut flowers across several weeks rather than all at once, direct sow every 2โ€“3 weeks from April through June in zone 7, stopping by early July โ€” anything sown later will be setting heads during the peak heat of August and tends to produce short, stressed plants. In zones 9โ€“10, skip the summer gap entirely and pick back up with a late-August sowing for a fall run.

Complete Growing Guide

Gold Rush sunflowers thrive when direct sown into the garden after your last spring frost date has safely passed. Unlike some taller varieties that benefit from early indoor starts, Gold Rush performs exceptionally well with direct seeding, which also reduces transplant shock. Wait until soil temperatures reach at least 50ยฐF before sowing, typically one to two weeks after your final frost date. Plant seeds about one inch deep and keep the soil consistently moist until seedlings emerge, which takes seven to ten days in warm conditions.

Space Gold Rush plants twelve to eighteen inches apart, depending on whether you want fuller, bushier plants or taller stems for cutting. Prepare soil by working in compost or well-draining potting mix, as this variety prefers fertile ground that doesn't retain excessive moisture. Good drainage is particularly important since Gold Rush's moderate height of eighteen inches to ten feet means plants can develop top-heavy, flower-laden stems that stress weak root systems if the soil stays soggy.

Water deeply at soil level three times weekly during establishment, then transition to deep watering twice weekly once plants reach six inches tall. During bloom time, maintain consistent moistureโ€”neither drought-stressed nor waterlogged. Feed Gold Rush every two weeks with a balanced, slow-release fertilizer beginning when plants reach one foot in height, or side-dress with compost around the base. Reduce nitrogen feeding once flowering begins to prevent excessive stem elongation that could compromise the sturdy form this variety is known for.

Watch carefully for spider mites on Gold Rush, as the chocolate disk center and dense petal arrangement create warm microclimates that attract these pests. Check undersides of leaves weekly starting in mid-summer, especially during hot, dry spells. Powdery mildew can also affect this cultivar in humid regions; ensure adequate air circulation and avoid overhead watering. The pollenless characteristic of Gold Rush makes it valuable for cut flowers, but monitor for thrips that may still target the disk despite reduced pollen availability.

Since Gold Rush sunflowers are pollenless, they won't self-seed, eliminating volunteer plants next season. This also means you cannot save seeds for future planting. Succession planting every two weeks from late spring through mid-summer creates continuous blooms throughout fall, since the variety reaches maturity in just sixty days.

The critical mistake most gardeners make with Gold Rush is assuming the pollenless trait means zero maintenance. These flowers still require vigilant pest monitoring and consistent feeding schedules. The lack of pollen doesn't reduce the plant's nutritional demands or its susceptibility to environmental stressโ€”it simply improves the flower's aesthetic and utility for indoor arrangements. Treat Gold Rush with the same care you'd give any premium cut-flower variety, and you'll achieve the stunning golden-orange blooms this cultivar is bred to produce.

Harvesting

Gold Rush reaches harvest at 60 - 65 days from sowing per Johnny's Selected Seeds. Expect 18-32". at peak. As an annual, harvest continues until frost ends the season.

Seeds are ovoid and somewhat flattened

Color: Black, Brown/Copper. Type: Achene. Length: < 1 inch. Width: < 1 inch.

Garden value: Edible

Harvest time: Fall

Edibility: Seeds are used for cooking oil, livestock feed, and as a snack food or garnish. Petals are edible and young flower buds can be steamed like artichokes.

Storage & Preservation

Gold Rush flowers should be stored upright in a cool room (65-72ยฐF) with stems in water for fresh display. Keep away from direct sunlight, heat sources, and ripening fruit to maximize vase life. Without water, flowers will last 1-2 days on a dry counter; with water and proper conditioning, 7-10 days. Preservation methods: (1) Air-drying by hanging stems in a warm, dark, well-ventilated space for 2-3 weeks; (2) Pressing flowers between newspaper under weight for 2-4 weeks for crafts; (3) Freeze-drying or commercial drying methods preserve color and form for long-term arrangements.

History & Origin

Gold Rush is an F1 hybrid developed through controlled cross-pollination. Listed in the Johnny's Selected Seeds catalog.

Origin: Western United States

Advantages

  • +Pollenless variety eliminates mess and allergen concerns for arrangements
  • +Golden orange petals with chocolate disk create striking color contrast
  • +Medium height of 18-32 inches suits most garden spaces well
  • +Quick 60-65 day maturation allows multiple plantings per season
  • +Easy difficulty level makes it ideal for beginner gardeners

Considerations

  • -4-5 inch blooms are relatively small compared to giant varieties
  • -Chocolate disk may attract more beetles than solid-faced types
  • -Pollenless genetics can reduce appeal to native bee populations

Companion Plants

Marigolds (especially Tagetes patula) and nasturtiums pull the most weight here โ€” marigolds push aphids and whiteflies away through root exudates, while nasturtiums take the hit as a trap crop, clustering aphids onto themselves and off your sunflowers. Sweet alyssum and cosmos bring in parasitic wasps and hoverflies that quietly reduce soft-bodied pest pressure without you doing much. Black walnut is the hard no: juglone leaches from its roots into surrounding soil and will stunt or kill Gold Rush outright, so don't plant within the drip line. Fennel gets lumped in for similar reasons โ€” it suppresses most annuals growing nearby and doesn't earn mixed planting.

Plant Together

+

Marigolds

Repel nematodes and aphids while attracting beneficial insects

+

Nasturtiums

Act as trap crops for aphids and cucumber beetles

+

Sweet Alyssum

Attracts beneficial insects like lacewings and hoverflies

+

Cosmos

Provide vertical structure and attract pollinators

+

Lavender

Repels moths, fleas, and flies with strong fragrance

+

Zinnia

Attract butterflies and beneficial predatory insects

+

Sunflowers

Provide wind protection and attract pest-eating birds

+

Petunias

Repel aphids, tomato hornworms, and squash bugs

Keep Apart

-

Black Walnut

Releases juglone toxin that inhibits growth of many flowers

-

Eucalyptus

Allelopathic compounds suppress growth of nearby plants

-

Fennel

Inhibits growth of most garden plants through allelopathy

Troubleshooting Gold Rush

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

Seedling stems pinched off at soil level, often overnight

Likely Causes

  • Cutworms (Agrotis spp.) โ€” fat gray or brown larvae that feed at night and hide in the top inch of soil during the day
  • Damping off (Pythium or Rhizoctonia) โ€” fungal rot that collapses the stem at the soil line, especially in cool, wet conditions

What to Do

  1. 1.For cutworms, press a cardboard collar 2 inches into the soil around each seedling stem at transplant time
  2. 2.For damping off, improve drainage and don't overwater seedlings โ€” let the top half-inch dry out between waterings
  3. 3.If damping off hit your tray, ditch the remaining mix; don't reuse it
Leaves with pale yellow patches on top, powdery gray-white coating on the undersides, usually showing up mid-summer

Likely Causes

  • Downy mildew (Plasmopara halstedii) โ€” a water mold that thrives in humid nights and cool mornings
  • Powdery mildew (Golovinomyces cichoracearum) โ€” a different fungus, more common in dry heat with cool nights

What to Do

  1. 1.Space plants at least 12โ€“18 inches apart to get air moving between them
  2. 2.Water at the base, not overhead, and do it in the morning so foliage dries fast
  3. 3.Remove and bin (don't compost) affected leaves as soon as you spot them โ€” this slows spread
Heads partially eaten, seeds missing or chewed, damage appears as plants approach 60โ€“65 days

Likely Causes

  • Sunflower moth (Homoeosoma electellum) โ€” larvae tunnel into developing seed heads
  • Birds (finches, house sparrows) โ€” tend to hit heads right as seeds begin to fill

What to Do

  1. 1.For sunflower moth, check for small larvae and webbing in the head; hand-pick if the infestation is light
  2. 2.Cover heads with a paper bag or row cover fabric once petals drop and seeds start to form โ€” this works for both moths and birds
  3. 3.If you're growing Gold Rush for cut flowers rather than seeds, harvest at petal-open stage (around day 60) and this problem mostly disappears

Frequently Asked Questions

How long do Gold Rush flowers last in a vase?โ–ผ
With proper care, Gold Rush flowers last 7-10 days in water. Change water every 2-3 days, trim stems at an angle, and keep blooms away from direct sunlight, heat, and ripening fruit to extend vase life. Without water, cut flowers will last only 1-2 days.
Is Gold Rush a good flower for beginners to grow?โ–ผ
Yes, Gold Rush is excellent for beginners. This hybrid variety is rated Easy difficulty, requires only full sun (6+ hours daily), has straightforward care needs, and produces reliable 4-5" blooms. It's forgiving and flowers prolifically within 60-65 days, making it ideal for first-time flower gardeners.
Can you grow Gold Rush flowers in containers?โ–ผ
Yes, Gold Rush can be grown in containers if provided adequate soil depth (8-10 inches minimum), full sun exposure, and well-draining soil. Container growing is convenient for cut flower production and allows you to move plants to optimize sunlight. Water consistently to keep soil moist but not waterlogged.
When should I plant Gold Rush flowers?โ–ผ
Plant Gold Rush seeds directly outdoors after the last spring frost date, or start seeds indoors 6-8 weeks before your last frost date for earlier blooms. These flowers need full sun and warm soil to germinate successfully. Seeds typically sprout within 7-14 days under ideal conditions.
What makes Gold Rush different from other cut flower varieties?โ–ผ
Gold Rush stands out with its pollenless bloomsโ€”ideal for cut arrangements as pollen won't stain clothing or furniture. The distinctive combination of golden-orange petals with a chocolate-colored disk is visually striking. At 18-32" stem length, it's well-suited for floral design and commercial cut flower production.
How do you harvest Gold Rush flowers for the longest vase life?โ–ผ
Harvest Gold Rush flowers early in the morning when stems are fully hydrated, just as the bloom opens or reaches the preferred stage. Cut stems at a 45-degree angle using sharp shears. Immediately place cut flowers in clean water mixed with flower food to condition them and maximize vase life.

Growing Guides from Wind River Greens

Where to Buy Seeds

Sources & References

External authority sources used in compiling this guide.

See the Methodology page for how this data is sourced, what's AI-assisted, and known limitations.

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