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Paspalum vaginatum (Seashore paspalum)
Seashore paspalum is known for its good wear tolerance and high salt tolerance. Seashore paspalum is mostly used on golf courses situated in warm seasoned areas, but is also gaining popularity on sports fields and personal lawns.
Until 2005 the only way to establish seashore paspalum was by sod, sprigs or stolons. After 2005 the first seeded seashore paspalum, Sea Spray, became readily available.
Seashore Paspalum Seed - Sea Spray -
Seashore paspalum is a warm season grass commonly used for lawns, golf
courses, landscaping, parks and recreation areas. Seashore Paspalum
seed is the only high salt tolerant grass seed available. Sea Spray is
best for areas no farther north than 30 to 35 degree latitude. Within its
"comfort zone," Seaspray Paspalum displays excellent resistance to
dollar spot, in addition to its primary characteristic of salt
tolerance. Sea Spray is an excellent choice for environmentally
conscious superintendents and home owners, especially those with water
quality issues such as a need to use effluent water for irrigation.
Certainly in areas where water shortages occur, where saline conditions
are unusually high, or where water reclamation projects are
undertaken, Sea Spray provides an attractive option for beautiful turf
despite these conditions.
Seashore Paspalum for Lawns
Seashore Paspalum requires very well prepared soil or seedbed to ensure a
good germination and establishment. The seed bed should be clean and
free of other grasses. Seed depth should not be deeper than 1/4 inch.
The seeded area should be watered for 45 minute intervals 3 to 4 times
per day. Germination of seashore can take as long as 45 days.
Different soil types require more or less water. Standing water should
not occur but soil moisture should always be present for the
germination process to be stimulated.
The recommended seeding rate is 1 to 2 lbs per 1,000 sq. ft.
The best time to seed is late spring through mid-summer; fall plantings
are not recommended except in warm climates where seeding can be done
year-round. The ideal germination temperatures are 80 to 95 F
(27-35C). Mulch or a seed blanket can be used to improve the moisture
retention of the seedbed.
Uses for Sea Spray Paspalum Seed:
- Turf areas irrigated with effluent water or subject to naturally high saline conditions.
- Interseeding improved, vegetative Seashore Paspalums such as Salam, Excalibre, SeaIsle 1, SeaWay, and Millenium.
- Golf Tees, Fairways, Roughs
- Parks, Recreational turf
- Sod production
- Low maintenance turf
- Erosion control, Coastal sites influenced by salt
Growth Habit and Characteristics:
- Aggressive, prostrate, spreading growth habit
- Uniform, moderately dense turf with bright green color/medium blade texture
- Aggressive stolon and rhizome growth
- Prefers soils with moderate to high salinity. Tolerant of most soil types, pH range of 4.5 - 9.0
Performance Characteristics and Adaptations:
- Very high salt tolerance, Greater than bermuda grass
- Full sun to moderate shade tolerance
- Excellent drought tolerance
- Better cold tolerance than most bermuda grasses
- With high nitrogen, lower mowing heights afford good winter color in mild winter climates
- Good wear tolerance, Moderate recovery
- Very good performance in wet, boggy conditions
- Tolerates 0.5" to 1.5" cutting height
- Very good disease tolerance in saline conditions
Establishment and Maintenance:
- Seed at 1 lb. per 1000 sq. ft.
- Best planted late spring through mid-summer
- Requires good quality water for establishment (30 days)
- Seedbed should be kept moist during germination
- Germinates in 10-17 days with optimal soil conditions, 65-80 F.
Do not plant with soil temperatures below 60 F. Full coverage in
approximately 8-10 weeks
- First mowing recommended when turf reaches approximately 1" in height
Established Turf Maintenance:
- For best performance, fertilize at annual rate of 2-3 lbs N per
1000 sq ft. Early fall and spring fertilizations best. Summer fertility
with high nitrogen is not recommended. Avoid applications of more than
0.5 lb. of fast release, water-soluble nitrogen per 1000 sq. ft. Sea
Spray likes potassium & chlorine
- Recommended mowing height: 0.5" to 1.5" with reel mowers. To
reduce incidence of scalping during summer season, gradually increase
mowing height during peak growing conditions
- Deep, infrequent irrigations are best throughout the growing season