Cleome hassleriana
Deep dive into technology
Syngenta Flowers APAC Technical Webinar for Tropical Regions 08-10-2025 2 p.m.
Inka Orange 70041091
Cleome portfolio.
Sparkler 2.0 Already 5 varieties & 1 mix
Page 37 – 2024/25 Catalog
Syngenta
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Cleome portfolio in the Landscaping Book.
Sparkler 2.0
Page 26 – Landscape Catalog
Syngenta
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Brilliant landscaping crop.
For the small gardens...
…and for premium landscapes.
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Cleome as a pot crop.
Let’s extend your pot plant assortment with the Sparkler 2.0!
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Cleome Sparkler 2.0 (Sparkler Blush) in Singapore.
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5 elements of success with Cleome.
Light for germina- tion.
Provide the space!
Only thin cover.
Feed Cleome well.
Day & Night DIF.
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https://www.youtube.com/@SyngentaFlowersAPAC/videos
Sowing / germination stage #1.
• Suggested tray size – 128―288 cell.
• Seed – place 1 seed per cell. • Do I need to cover the seed?
✓ Yes, but…
✓ …only thin layer
✓ Light is required for germination.
Light for germination
• Germination chamber – not recommended .
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Substrate #1.
Avoid decomposed plant residuals for Cleome.
• Suitable substrate components: peat > cocopeat > wood fiber peat. With particle size 0―10 mm.
• Don’t apply rice husk and composts for the Cleome seedlings.
• Leavening agent: perlite > sand > zeolite.
Only thin cover
Only thin cover.
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Substrate #2.
Substrate mixture is better than an individual component.
Cocopeat 60%
Perlite 20%
Wood fiber 20%
Cocopeat 30%
Peat 40%
Perlite 30%
Cocopeat 30%
Perlite 20%
Wood fiber 50%
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Germination condition.
• Soil Temp:
23 24 25 26 27 28 29 30 31
• Day:
• Night:
18 19 20 21 22 23 24 25 26
• Substrate and water pH: 5.5―5.9
5
2 3 4
6 7 8
• SME: 0.5 mS/cm.
Level 5 SATURATED
Level 4 WET
Level 3 MEDIUM
Level 2 MEDIUM DRY
Level 1 DRY
Day & Night DIF.
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Seedlings production.
•
Temperature - Day:
19 20 21 22 23 24 25 26 27
- Night:
18 19 20 21 22 23 24 25 26
•
Light intensity : 20―35 KLux
Partial Sun/Shade
Light Shade
Moderate Shade
Heavy Shade
Full Sun
Level 5 SATURATED
Level 4 WET
Level 3 MEDIUM
Level 2 MEDIUM DRY
Level 1 DRY
Day & Night DIF.
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Fertigation tips #1.
Feed your Cleome seedlings properly.
• Provide 125―175 ppm of nitrogen (N). • You can provide proper amount of N by 0.7(0.8)―1.2 g/l of 18-5-18, 15-3-15 or similar. • Optimal EC in the water 1.5―2.0 • Optimal EC in the substrate (SME*): 0.9―1.3 mS/cm. • Start to fertigate since the second week. • Never apply clean water!
Feed Cleome well.
• Substrate and water pH: 5.5―5.9
Leave aberration (after the low EC).
5
2 3 4
6 7 8
Healthy plants.
* Saturated Media Extract
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Fertigation tips #2.
Apply Ca(NO 3 ) 2 + Mg(NO 3 ) 2 every week (or every 2 weeks).
week 1
week 2
week 3
week 4
week 5
Feed Cleome well.
1.7 1.7
1.7
1.7 1.7
1.5 1.5 1.5 1.5 1.5 1.5
1.5 1.5 1.5 1.5
1.5 1.5 1.5
1.5
1.3 1.3 1.3
1.0
0.7
Water EC, mS/cm
0.4-0.5
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Substrate for the ready plants. • Available substrate components: cocopeat > wood fiber peat > rice husk > natural soil > compost. How to choose suitable substrate components? • Feel free to use any kind of substrate components if they are providing... Proper pH level 5.5―5.9 , ✓ Hygienic conditions, 2 3 4 5 6 7 8
✓ Aerated enough, ✓ Check sodium!!!
• Use a mixture: 50/50 peat + cocopeat or 50/50 cocopeat + rice husk. • Particle size 5―20 mm.
pH < 5.8.
• Add 20 % leavening agent: perlite > coco chips > sand > zeolite > vermiculite
Biological protection.
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Transplanting time.
What is the proper stage for the Cleome?
Which the pot size and how many plants?
3―5 leaves is the best stage*.
Cleome transplanted into the patio pot.
* Young plant production takes about 4―5 weeks.
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Transplanting. How to chose the pot size?
Cleome pot size recommendation.
Pot size
Series
1.0 l
1.25–2.5 l
3.0–8.0 l
Sparkler 2.0 – plants per pot
1 ppp
1–2 ppp
1–3 ppp
Sparkler 2.0 – vegetation time 9–11 ppp
10–12 ppp
10–12 ppp
Provide the space!
Transplant your plants in time and provide the space.
* ppp = plants per pot.
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Provide the space!
Let the plants talk, but don't let them touch.
Provide the space!
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General condition after transplanting.
•
Temperature - Day:
18 19 20 21 22 23 24 25 26
- Night:
12 13 14 15 16 17 18 19 20
•
Light intensity : 40―60 KLk
Partial Sun/Shade
Light Shade
Moderate Shade
Heavy Shade
Full Sun
• Keep substrate moisture between the levels 2 and 3
Level 5 SATURATED
Level 4 WET
Level 3 MEDIUM
Level 2 MEDIUM DRY
Level 1 DRY
Day & Night DIF.
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Cleome fertigation tips #1 (vegetative).
• Provide 200―250 ppm of nitrogen.
• Do not use too much phosphorus! • You can provide proper amount of N by 1.3―1.7 g/l : 15-5-15, 18-5-19, 18-5-20. • Give fertilizers with every watering (EC water : 2.2―2.5(3.0). • Optimal EC in the substrate (SME*): 2.3―2.8 mS/cm.
• pH range: 5.5―5.9
Feed Cleome well.
5
2 3 4
6 7 8
Cleome plant that doesn’t sow the flower buds.
! Don’t forget to provide Ca and Mg every two weeks!
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Cleome fertigation tips #2 (generative).
• Provide 200―250 ppm of nitrogen.
• Do not use too much phosphorus! • You can provide proper amount of N by 0.5―1.0 g/l : 15-5- 30 , 10-3- 25 15-5- 40 , 18-5- 30 , 17-5- 35 . • Give fertilizers with every watering (EC water : 2.2―2.5(3.0). • Optimal EC in the substrate (SME*): 2.3―2.8 mS/cm.
• pH range: 5.5―5.9
Feed Cleome well.
5
2 3 4
6 7 8
Cleome that started to show the flower buds.
! Don’t forget to provide Ca and Mg every two weeks!
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Cleome fertigation tips #3.
Add bit more fertilizers
•
EC & pH in the water
EC Lower
Taste soupe before you offer to your guest…
2
4
1
3
5
Is EC & pH Ok?
Yes
Add required quantity of fertilizers
Check EC & pH and adjust pH
Fill the tank up to target volume
Fill the tank with ½ volume
EC Higher
Add bit more water
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Type of the scheduling.
Transplanting to the landscape, vegetation
Sowing non cell trays
50 or 25 cell trays
Blooming
Transplanting to the landscape, vegetation
7 cm pots
Blooming
Sowing 288 cell trays
Sowing 128 cell trays
Transplanting to the ready pots (1―8 l)
Blooming
weeks1 2 3 4 5 6 7 8 9 10111213 141516
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Example of the scheduling.
For the pot plant production.
Week Stage:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
seedlings development
tranplanting
vegetation
Blooming
germination
Chamber:
NO
Temperature day, 0 C
26—30
26—27(30)
24—26(28)
Temperature night, 0 C Substrate humidity, 1—5 Tray/pot type → Spacing, cm
20—22
20—21
17—18(21)
4—5
2—3
2—3
128—288 cells
pots 15—25
Substrate pH, 1—14
5.5—5.9
5.5—5.9
2.0-2.5
1.7
1.7
1.5
1.3
Water EC, mS/cm Ca+Mg application (↑)
0.5
Substrate EC (SME), mSm/cm
0.5
0.9—1.3 125—175
2.3—2.8 200—250
Fertifation (N), ppm
—
NPK rate
—
15–3–15, 17–5–17
15–3–15, 17–5–17
10–5–17, 15-10-35
Light intensity, KLk
not required
20—35
40—60
Day length, hours
— —
Beneficial to 14 hours
Beneficial to 14 hours
pinching
not need
not need
Bonzi at 5 ppm, spray (optional)
Bonzi at 5 ppm, spray (optional)
Bonzi at 5 ppm, spray (optional)
PGRs
—
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Disease management.
Most common Cleome diseases.
Disease
Active ingredients (rate in chemical)
Active Ingredient concentration in solution*
Use as prophylactic
penconazole (100 g/l)
0.04 g/l
Powdery mildew
azoxystrobin (250 g/l)
0,25 g/l
azoxystrobin (50%)
0.15 g/l
Pythium
pyraclostrobin (12.8%) + boscalid (25.2%)
0.03–0.07 g/l pyraclostrobin or/and 0.05–0.15 g/l boscalid
propamocarb (600 g/l)
1.8 g/l
+
* Rotate active ingredients (AI). Don’t apply the same AI more than 3 times at row. Check phytotoxicity!
Downey mildew!
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Q&A session.
• Thank you for your time. • For more information, please contact your Key Account Manager.
Ivan.Pozdnyakov@ syngenta.com Technical Sales Specialist SA/SEAP
Michael.van_Baekel@ syngenta.com Michael van Baekel Head of Marketing APAC
Gautam.Sangle@ syngenta.com Key Account Manager SA (South Asia) (India, Nepal, Bangladesh)
Mallikarjun.Mangrule @syngenta.com Head of APAC
https://www.syngentaflowers.com/
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