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Coreopsis Mayfields Giant

(1 customer review)

$4.95

Coreopsis Lanceolata

  • Seed Count 150
  • Big Golden Blooms
  • Perennial
  • Height 1 m

In stock

Description

Few plants can rival the sheer exuberance of Coreopsis Mayfields Giants with their big, bright yellow blooms that seem to capture the very essence of sunlight. Whether planted in a cottage bed, a structured border, or a wildflower meadow, their cheerful flowers command attention that lingers season after season.

Each flower, a golden daisy-like disc fringed with serrated petals, sits atop sturdy stems that rise above lush green foliage. Their vibrant yellow acts as both a focal point and a harmoniser, bridging gaps between contrasting colours and textures. For almost any sort of garden, whether a sprawling rural meadow, a suburban border, or a compact urban plotโ€”a hardier, more beautiful flower would be difficult to find.

What truly sets this perennial apart, however, is its rugged adaptability. Drought tolerance is in their DNA, making them a savvy pick for climates where dry spells and poor soil are common challenges. These plants donโ€™t just survive in tough conditionsโ€”they flourish. Their roots dig deep, anchoring them through heatwaves and lean soils. Full sun or light shade, coastal breezes or inland warmth, this coreopsis adapts without complaint.

Find your Climate Zone

Method: Sow direct or seedlings
Soil Temp: 10ยฐC - 25ยฐC
Cool Mountain: Nov - Dec
Position: Part sun
Arid: Aug - Jan
Row Spacing: 30cm apart
Temperate: Sep-Nov, Mar-Jun
Planting Depth: 3 mm
Sub Tropical: May - Oct
Harvest: 70 days
Tropical: Jun - Aug
Plant Height: 1m

๐Ÿงบ Sowing: Trays vs. Direct

โœ”๏ธ Sowing in Trays (Best for Seedlings or Controlled Starts):

  • When: Late winter to early spring
  • Depth: Lightly press into soil; seeds need light to germinate.
  • Germination: 5โ€“14 days at 12โ€“21ยฐC
  • Potting mix: Use a fine seed-raising mix.
  • Transplanting: Once seedlings have 2โ€“3 sets of true leaves, harden off and transplant.

๐ŸŒผ Tip: Trays give you more control and a head start on the seasonโ€”especially helpful in cooler zones.

โœ”๏ธ Sowing Direct (Great for Wildflower Patches or Larger Areas):

  • When: After danger of frost
  • How: Scatter seeds thinly, rake lightly to cover. Water gently.
  • Spacing: Thin seedlings to 20โ€“30 cm apart.

๐ŸŒผ Tip: Best for naturalistic plantings or meadow-style beds.


๐ŸŒž Soil & Position

๐ŸŒฟ Soil Requirements:

  • Well-drained, average soil is ideal.
  • Avoid heavy clay or overly rich soils, which can cause leggy growth and fewer flowers.
  • Slightly sandy soils are perfect.

โ˜€๏ธ Position:

  • Full sun is best (6+ hours daily).
  • Tolerates part shade but flowering may reduce.
  • Choose an open, breezy spot to reduce mildew risk.

๐ŸŒผ Tip: Poorer soils often yield more flowersโ€”less is more with Coreopsis!


๐ŸŒผ Care & Maintenance

TaskTips
WateringModerate; drought-tolerant once established. Let soil dry between watering.
FeedingNot needed in most soils. Avoid high-nitrogen fertilisers.
DeadheadingProlongs bloom season. Snip faded flowers regularly.
StakingTaller varieties may benefit from light staking.
MulchingHelps retain moisture and reduce weeds, especially in hot climates.

๐ŸŒผ Tip: If plants get leggy in late summer, give them a light prune to encourage fresh growth and blooms.


๐ŸŒฟ Companion Planting Guide

Companion PlantsBenefits
CosmosSimilar needs; together they create a pollinator magnet.
ZinniasComplementary colours and blooming time.
LavenderAlso drought-tolerant and attracts beneficial insects.
Herbs (like Dill or Basil)Attract beneficial insects like ladybugs and lacewings.

๐ŸŒผ Avoid planting near: Water-hungry plants or heavy feeders that may outcompete them.


โœ‚๏ธ Harvesting Flowers

For Bouquets:

  • Pick in the morning when blooms are just opening.
  • Strip lower leaves and place stems in water immediately.
  • Lasts 5โ€“7 days in a vase.

For Drying:

  • Choose fully open blooms.
  • Hang upside-down in a dark, dry, airy space.

๐ŸŒผ Tip: Regular harvesting = more flowers!


๐Ÿ› Common Issues & Fixes

IssueSymptomsFix
Powdery MildewWhite powdery coating on leavesImprove air circulation; avoid overhead watering
AphidsSticky leaves, distorted tipsBlast off with water; use neem oil
Slugs & SnailsChewed seedlingsUse barriers or bait; sow in trays
Leggy GrowthTall, floppy stemsToo much shade or overfeeding; cut back for bushier growth
Poor FloweringLots of leaves, few bloomsToo much nitrogen; stop fertilising

๐ŸŒผ Tip: Most issues are minorโ€”Coreopsis is generally very tough!


๐ŸŒพ Seed Saving Guide

Saving seeds from Coreopsis is simple and satisfying!

Step-by-Step:

  1. Wait until flower heads dry and turn brown on the plant.
  2. Snip off seed heads and place in a paper bag.
  3. Label with variety and date.
  4. Once fully dry, crush gently to release seeds. Separate from chaff using a fine sieve or by hand.
  5. Store in a cool, dark, dry spot in a paper envelope or airtight container.

๐Ÿงบ Viability: 2โ€“3 years if stored well.

๐ŸŒผ Note: Coreopsis readily self-seeds! You might find volunteers next season.


๐ŸŒผ Final Thoughts

Coreopsis is one of those wonderfully rewarding flowers that asks for very little and gives so much. It lights up a patch with cheery blooms for months on end, bringing colour, pollinators, and a soft cottage garden feel. Whether you’re planting for cut flowers, wild borders, or just to fill a sunny spot with joy, Coreopsis is a brilliant choice.

If youโ€™re just starting out, donโ€™t stress too muchโ€”sow a few seeds, watch what happens, and enjoy the process. Thatโ€™s okayโ€”itโ€™s all part of the learning!

๐ŸŒผ In my own garden, I let them self-seed around the veggie patch edges. Theyโ€™re lovely mingled with herbs and nasturtiums, and they always seem to find just the right place to grow.

1 review for Coreopsis Mayfields Giant

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  1. PK

    Flowered beautifully

    See all our verified customer reviews on our official CusRev profile.

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Postage Charge

Orders under $35 attract a $4.95 shipping charge. Orders $35 and above have free shipping.

Order Times

Seed orders are normally dispatched within three business days. You will receive an email when seeds are mailed out.

Postage Days

Seeds are mailed out Tuesday to Friday at 1pm. Except for the Friday of long weekends.

Postage Times

WA 2-3 Days: SA,NT 3-5 Days: NSW, ACT, QLD, VIC: 5-7 Days

Carrier

We use Australia Post Letter Postage for the majority of orders


Not only are our seeds packed in recycled paper envelopes, we keep the theme going when we post out website orders. To protect your seeds from moisture and the letter box munchers (snails), we use a very special plastic free material made from plants. They are then put into recycled mailing envelopes. Green all the way ๐Ÿ’š๐ŸŒฟ


Delivery Guarantee

We take great care to make sure your seeds arrive safely. If your order is lost or damaged in transit, weโ€™ll happily send a replacement. Unfortunately, we canโ€™t replace or refund orders that arrive later than the estimated delivery date, as delays can sometimes occur that are outside our control.

Please note that all dispatch and delivery times listed are estimates only. While we do our best to post promptly, delivery timeframes can vary due to postal service delays, weather events, or other unforeseen circumstances. Weโ€™re unable to take responsibility for any loss, damage, or cost that results from a late delivery.

An order is not considered missing until at least 20 business days have passed from the postage date. Youโ€™ll receive an email once your seeds have been posted, letting you know theyโ€™re on their way. If you donโ€™t see it in your main inbox, please check your Spam or Promotions folders as sometimes our emails like to hide there.

Coreopsis Mayfields GiantCoreopsis Mayfields Giant
$4.95

In stock