Juncus Colorgrass Twister, known as Juncus effusus spiralis or Corkscrew Rush, is a perennial ornamental grass native to North America. PanAmerican developed this cultivar that offers unique curly green leaves on an upright, bushy habit 12-14" tall and wide. Flourishing in full or partial sun and wet conditions, this plant is evergreen in zone 5-9. Bring texture and visual interest to mixed containers, borders, landscape beds, and patios. For a more traditional ornamental grass, try growing Juncus Colorgrass Blue Dart. Our seedling plugs arrive ready to transplant into your final container.
Juncus Colorgrass Twister Selling Tips
Sell Juncus Colorgrass Twister to customers looking for color contrast or foliage to add to a mixed container or landscape border. This unique variety offers spiral green foliage on an upright habit 12-14" tall. Twister is a dramatic addition to patio pots and mixed landscape beds, bringing evergreen color to the garden in zones 5-9. Create a visually striking display of color and texture by pairing Juncus Colorgrass Twister with Lobelia, Heuchera, Sedum, Ajuga, Sempervivum, Marsh Marigold, Astilbe, and Hostas.
Coach Your Customer
1. Space plants 10-12" apart in well-drained soil in full or partial sun.
2. Water occasionally or more in dry weather.
3. In climates colder than zone 5, remove plants after frost or overwinter containers in a protected area.
General Growing Tips For Your Seedling Tray
For best results with Juncus Colorgrass Twister, grow one seedling plug per 1801 cell or 4-inch container or one to three per 6-inch or gallon container. Use well-drained soil with a pH of 5.5-6.2, EC of 1.2-1.5 mS/cm, temperatures of 62-74 daytime and 59-64 nighttime, and moderate feed (175-225 ppm N). Use a nitrate-based fertilizer with low phosphorus and don't use too much ammonia or a nitrogen fertilizer. This plant doesn't require pinching or PGRs. Be careful not to bury plugs too deeply at transplant. Watch for root rot and aphids.
Flowering
This plant is grown for its foliage.
Pinching
This plant doesn't require pinching.
Spacing
We recommend spacing 4-inch containers 8-12" apart and gallon containers 12-18" apart for adequate airflow and sunlight penetration around the base and foliage of each plant. Adjust spacing as needed in your greenhouse.
Height Control
This plant doesn't require PGRs.
Pests
Scout for aphids as part of your greenhouse's Integrated Pest Management program. Prevention and early intervention are the best methods of pest control.
Aphids are small, soft-bodied insects that cause damage by sucking sap from plant tissue. They reproduce quickly and are particularly attracted to young growth. Curling and yellowed leaves, stunted growth, and stickiness on leaves are signs of an infestation. These insects also spread diseases and reproduce rapidly. Use biological controls or horticultural oils to discourage and kill aphids.
Disease
Juncus Colorgrass Twister isn't prone to disease. Root rot can occur in overly wet conditions. Use well-draining soil, water at the base of each plant in the morning, and provide good airflow in your greenhouse.
Root Rot occurs in poorly drained or overly wet soil, which becomes the host for several types of fungi. It causes stunted growth, wilting, and root system decay. Prevention is the best treatment, and you will avoid most root rot problems by using clean, well-draining media, appropriate containers, and good watering practices for finishing seedling plugs. Inspect plants for signs of disease regularly. Repot infected plants in well-draining soil, adjust your watering schedule, provide better airflow, and use a fungicide if needed.
Planting Juncus Colorgrass Twister Liners
We recommend growing one seedling plug per 1801 cell or 4-inch container or three per 6-inch or gallon container. Use well-drained soil and center or evenly space the seedling plugs in the containers.
Rooted Cuttings
Cuttings vary in size between different plant families. These rooted starter plants will arrive ready to be transplanted in to your final container. If they are to be used in a landscape application, you will need to establish them in a 4 inch pot or an 1801 before planting outside.
Juncus Colorgrass Twister Quick Reference Guide
4 Inch crop time
7-8 Weeks
Bloom Period
Year Round
Color
Green
Habit
Upright
Height
12-14 Inches
Light
Full Sun, Partial Sun
Minimum Temp
59
Perennial Zone
5-9
Water Needs
Moderate
Patented Plant
No
Current
Availability
Current Availability
02-16-2026 (Week 08)
0
02-23-2026 (Week 09)
0
03-02-2026 (Week 10)
0
03-09-2026 (Week 11)
0
03-16-2026 (Week 12)
0
03-23-2026 (Week 13)
0
03-30-2026 (Week 14)
0
04-06-2026 (Week 15)
0
04-13-2026 (Week 16)
0
04-20-2026 (Week 17)
0
04-27-2026 (Week 18)
0
05-04-2026 (Week 19)
0
05-11-2026 (Week 20)
0
05-18-2026 (Week 21)
0
05-25-2026 (Week 22)
0
06-01-2026 (Week 23)
0
06-08-2026 (Week 24)
3,437
06-15-2026 (Week 25)
3,437
06-22-2026 (Week 26)
3,437
06-29-2026 (Week 27)
3,437
07-06-2026 (Week 28)
3,437
07-13-2026 (Week 29)
3,437
07-20-2026 (Week 30)
3,437
07-27-2026 (Week 31)
3,437
08-03-2026 (Week 32)
3,437
08-10-2026 (Week 33)
3,437
08-17-2026 (Week 34)
3,437
08-24-2026 (Week 35)
3,437
08-31-2026 (Week 36)
3,437
09-07-2026 (Week 37)
3,437
09-14-2026 (Week 38)
3,437
09-21-2026 (Week 39)
3,437
09-28-2026 (Week 40)
3,437
10-05-2026 (Week 41)
3,437
10-12-2026 (Week 42)
3,437
10-19-2026 (Week 43)
3,437
10-26-2026 (Week 44)
3,437
11-02-2026 (Week 45)
3,437
11-09-2026 (Week 46)
3,437
Juncus Colorgrass Twister, known as Juncus effusus spiralis or Corkscrew Rush, is a perennial ornamental grass native to North America. PanAmerican developed this cultivar that offers unique curly green leaves on an upright, bushy habit 12-14" tall and wide. Flourishing in full or partial sun and wet conditions, this plant is evergreen in zone 5-9. Bring texture and visual interest to mixed containers, borders, landscape beds, and patios. For a more traditional ornamental grass, try growing Juncus Colorgrass Blue Dart. Our seedling plugs arrive ready to transplant into your final container.
Juncus Colorgrass Twister Selling Tips
Sell Juncus Colorgrass Twister to customers looking for color contrast or foliage to add to a mixed container or landscape border. This unique variety offers spiral green foliage on an upright habit 12-14" tall. Twister is a dramatic addition to patio pots and mixed landscape beds, bringing evergreen color to the garden in zones 5-9. Create a visually striking display of color and texture by pairing Juncus Colorgrass Twister with Lobelia, Heuchera, Sedum, Ajuga, Sempervivum, Marsh Marigold, Astilbe, and Hostas.
Coach Your Customer
1. Space plants 10-12" apart in well-drained soil in full or partial sun.
2. Water occasionally or more in dry weather.
3. In climates colder than zone 5, remove plants after frost or overwinter containers in a protected area.
General Growing Tips For Your Seedling Tray
For best results with Juncus Colorgrass Twister, grow one seedling plug per 1801 cell or 4-inch container or one to three per 6-inch or gallon container. Use well-drained soil with a pH of 5.5-6.2, EC of 1.2-1.5 mS/cm, temperatures of 62-74 daytime and 59-64 nighttime, and moderate feed (175-225 ppm N). Use a nitrate-based fertilizer with low phosphorus and don't use too much ammonia or a nitrogen fertilizer. This plant doesn't require pinching or PGRs. Be careful not to bury plugs too deeply at transplant. Watch for root rot and aphids.
Flowering
This plant is grown for its foliage.
Pinching
This plant doesn't require pinching.
Spacing
We recommend spacing 4-inch containers 8-12" apart and gallon containers 12-18" apart for adequate airflow and sunlight penetration around the base and foliage of each plant. Adjust spacing as needed in your greenhouse.
Height Control
This plant doesn't require PGRs.
Pests
Scout for aphids as part of your greenhouse's Integrated Pest Management program. Prevention and early intervention are the best methods of pest control.
Aphids are small, soft-bodied insects that cause damage by sucking sap from plant tissue. They reproduce quickly and are particularly attracted to young growth. Curling and yellowed leaves, stunted growth, and stickiness on leaves are signs of an infestation. These insects also spread diseases and reproduce rapidly. Use biological controls or horticultural oils to discourage and kill aphids.
Disease
Juncus Colorgrass Twister isn't prone to disease. Root rot can occur in overly wet conditions. Use well-draining soil, water at the base of each plant in the morning, and provide good airflow in your greenhouse.
Root Rot occurs in poorly drained or overly wet soil, which becomes the host for several types of fungi. It causes stunted growth, wilting, and root system decay. Prevention is the best treatment, and you will avoid most root rot problems by using clean, well-draining media, appropriate containers, and good watering practices for finishing seedling plugs. Inspect plants for signs of disease regularly. Repot infected plants in well-draining soil, adjust your watering schedule, provide better airflow, and use a fungicide if needed.
Planting Juncus Colorgrass Twister Liners
We recommend growing one seedling plug per 1801 cell or 4-inch container or three per 6-inch or gallon container. Use well-drained soil and center or evenly space the seedling plugs in the containers.
Rooted Cuttings
Cuttings vary in size between different plant families. These rooted starter plants will arrive ready to be transplanted in to your final container. If they are to be used in a landscape application, you will need to establish them in a 4 inch pot or an 1801 before planting outside.
Juncus Colorgrass Twister Quick Reference Guide
4 Inch crop time
7-8 Weeks
Bloom Period
Year Round
Color
Green
Habit
Upright
Height
12-14 Inches
Light
Full Sun, Partial Sun
Minimum Temp
59
Perennial Zone
5-9
Water Needs
Moderate
Patented Plant
No
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