Best Sowing Season: October–November
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Available 24/7 at
0300 110 7787
Approx. 50 seeds per pack.
Grow the classic Bachelor's Button Blue, also known as Cornflower (Centaurea cyanus), an easy-to-grow winter annual admired for its beautiful clear to deep blue flowers and graceful upright growth.
The distinctive blue blooms rise above slender grey-green foliage, creating an attractive cottage-garden appearance.
Excellent for flower beds, borders, pots, grow bags, wildflower-style gardens, mass planting and cut-flower arrangements.
Its unusual natural-blue colour makes Cornflower an excellent companion to white, yellow, pink and orange winter flowers.
Best Sowing Season: October–November
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Bachelor's Button is a classic annual flowering plant recognised for its:
The botanical name is:
Centaurea cyanus
Mature plants may commonly reach approximately:
60–75 cm / 24–30 inches tall
depending on climate, spacing, soil fertility and growing conditions.
Flowers may reach approximately:
3–4 cm across
under suitable conditions.
G-11 Grow Bag – 11 × 10 inch 🔗
Suitable for growing one strong Bachelor's Button plant.
G-12 Grow Bag – 12 × 12 inch 🔗
Highly recommended for Bachelor's Button Blue.
Its additional soil volume provides good root space and moisture stability for taller flowering growth.
For individual container growing:
One strong plant per G-11 or G-12 Grow Bag is recommended.
G-24 Grow Bag – 24 × 12 inch 🔗
Suitable for growing several Cornflower plants together while maintaining proper spacing for a fuller flowering display.
Bachelor's Button performs well in:
Loose, well-draining soil of moderate fertility.
A practical GREEN GARDENS mix can include:
Bhalu Mitti (Sandy Soil) + GREEN GARDENS Vermicompost 🔗
The growing medium should provide:
Avoid excessively rich, heavy or waterlogged soil.
Overly rich soil can sometimes encourage excessive leafy growth instead of strong flowering.
Bachelor's Button grows very well when:
Direct sown where the plants will flower.
Prepare loose, well-draining soil and remove weeds before sowing.
Direct sowing reduces unnecessary root disturbance.
Seeds may also be started carefully in small nursery pots if required.
Sow seeds approximately:
0.5–0.6 cm / ¼ inch deep
and cover lightly with fine soil.
Water gently after sowing.
Keep the upper soil layer moderately moist until seedlings emerge.
Seeds generally germinate within approximately:
7–14 days
under suitable cool growing conditions.
An ideal germination environment includes:
Avoid keeping the soil continuously wet.
Once seedlings emerge:
If plants were started in nursery pots, transplant them while still young and handle the roots carefully.
Thin or transplant seedlings to approximately:
8–10 inches / 20–25 cm apart.
Adequate spacing encourages:
Provide:
6–8 hours of direct sunlight daily.
Bachelor's Button performs best in:
Full winter sun.
Good sunlight encourages:
Plants grown in excessive shade may stretch and flower less freely.
During germination and early growth:
Keep the soil moderately moist.
Once established, water when the upper layer of soil begins to dry.
Avoid:
Cornflowers generally tolerate moderate drying better than continuously wet soil.
Bachelor's Button does not require heavy feeding.
Before sowing or transplanting, add a moderate quantity of:
Avoid excessive nitrogen-rich fertilisation.
Too much nitrogen may encourage:
Tall leafy growth with reduced flowering quality.
Bachelor's Button Blue produces attractive:
Blue, thistle-like flower heads
on upright stems.
Plants established during autumn generally flower during:
Winter through spring
depending on sowing date, temperature and local conditions.
Regular flower harvesting or deadheading can help extend the blooming period.
Remove faded blooms regularly.
Deadheading encourages continued flowering and prevents plants from putting unnecessary energy into seed production.
If seed saving is desired, allow selected healthy flower heads to mature and dry naturally on the plant.
Bachelor's Button is an excellent:
Cut flower.
Its slender stems and vivid blue flowers are attractive in:
For fresh arrangements, harvest flower stems when blooms are beginning to open.
Place freshly cut stems into clean water soon after harvesting.
Cornflower stems are generally upright, but taller plants grown in:
may benefit from light support or staking.
Proper spacing and good sunlight also help produce stronger stems.
Bachelor's Button thrives during cool conditions.
For best winter performance:
The plant generally performs better in cool conditions than during intense heat.
Bachelor's Button is primarily a:
Cool-season flowering annual
for Lahore and the plains of Pakistan.
As temperatures rise strongly toward late spring and summer:
For this reason, it is best treated as a:
WINTER flower crop.
Bachelor's Button is generally easy to grow but should occasionally be inspected for:
Check young shoots, buds and lower leaf surfaces periodically.
Good airflow and drainage are important.
Avoid:
Cornflowers may be affected by fungal problems such as powdery mildew when airflow is poor or growing conditions are unsuitable.
Bachelor's Button flowers are attractive to:
They are an excellent addition to:
Pollinator-friendly winter flower gardens.
Bachelor's Button Blue is particularly suitable for:
Its distinctive blue flowers are especially valuable because true blue shades are relatively uncommon among garden flowers.
The expected flower colour is:
Vivid Blue / Cornflower Blue
Natural variation in flower shade, plant height, branching and flower size may occur according to:
Plants may commonly reach approximately:
60–75 cm / 24–30 inches tall
under suitable growing conditions.
Product photographs represent the expected appearance of mature plants grown under suitable conditions.
G-11 Grow Bag – 11 × 10 inch 🔗
G-12 Grow Bag – 12 × 12 inch 🔗
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