Texas bluegrass

Year-round

Texas bluegrass is a native cool season grass that stays green through fall, winter, and spring, then goes dormant and turns brown in the hot summer months. That summer browning is normal, not a sign it is dying.

• It forms low tufted clumps 12 to 24 inches tall and spreads slowly by underground rhizomes, not aggressively like bermuda.
• It is native to the North Texas region in both the Cross Timbers and the Blackland Prairies, so it is adapted to local rainfall and soil once established.
• Give it full sun and let it dry between waterings. It is drought tolerant once established but appreciates occasional deep watering its first year.
• In heavy black clay, plant high on a slight mound or amend for drainage; in the sandier soils west of the metro it will need water more often through the first summer.
• Male and female flowers grow on separate plants, so fuzzy seed heads will only show up on some plants in a patch.

When mowed or trimmed as a lawn substitute or border, its neat tufted habit reads as an intentional groundcover rather than an unmown patch.

Fall

Cooler weather in fall wakes Texas bluegrass back up. Growth and green color return as temperatures drop.

• Growth resumes as soon as fall rains and cooler temperatures arrive, typically by October in North Texas.
• Fall is a second good planting window, after the worst summer heat has passed and before the mid November average first frost.
• Resume normal watering if rainfall is light; established plants recover their green color within a few weeks of the first good rain.
• No fertilizer is needed for an established stand; if soil looks depleted, a light fall feeding supports the return to active growth.

Winter

Texas bluegrass stays green through a typical North Texas winter, and only browns from a hard freeze, not from ordinary cold snaps.

• Foliage stays green through typical winter weather in zone 8a to 8b as long as some moisture is available.
• A hard freeze during a severe Arctic outbreak can brown the top growth temporarily; it typically regreens once temperatures moderate.
• No mowing is needed in winter, growth slows but does not stop the way it does in summer.
• Avoid walking heavily on the clumps during a hard freeze, frozen blades are more prone to damage.

Green winter color when neighboring warm season lawns have gone brown is one of this grass's most visible curb appeal advantages, worth pointing out if a neighbor asks about it.

Spring

Spring is Texas bluegrass's main growing season. It greens up quickly and this is when it flowers.

• Expect active growth and green color from March through May as temperatures warm before summer heat sets in.
• It flowers March through May with fluffy silvery seed heads 2 to 3 feet above the foliage. Mow for a tidy lawn-like look, or skip mowing to let the seed heads show.
• This is the best window to plant new starts so roots establish before summer dormancy.
• Water new plantings regularly through spring if rainfall is light; established clumps need little supplemental water.

A spring mow before the seed heads rise keeps a bluegrass patch reading as a tended lawn feature rather than an overgrown corner.

Summer

Texas bluegrass goes dormant and turns brown in the hot summer months. This is expected cool season behavior, not plant failure.

• Do not over water when it browns out in June through August; extra summer water will not keep it green and can encourage rot.
• Skip fertilizer during dormancy, the plant will not use it while inactive.
• First year plantings only still need occasional deep watering through the 100F stretch so young roots do not dry out completely.
• Established clumps need no summer mowing since growth has stopped.

A dormant brown patch of Texas bluegrass in July and August can look neglected to a passerby. Edging the bed cleanly or pairing it with a low evergreen border plant keeps the space reading intentional during dormancy.

Year-round

Texas bluegrass is a native cool season grass that stays green through fall, winter, and spring, then goes dormant and turns brown in the hot summer months. That summer browning is normal, not a sign it is dying.

• It forms low tufted clumps 12 to 24 inches tall and spreads slowly by underground rhizomes, not aggressively like bermuda.
• It is native to the North Texas region in both the Cross Timbers and the Blackland Prairies, so it is adapted to local rainfall and soil once established.
• Give it full sun and let it dry between waterings. It is drought tolerant once established but appreciates occasional deep watering its first year.
• In heavy black clay, plant high on a slight mound or amend for drainage; in the sandier soils west of the metro it will need water more often through the first summer.
• Male and female flowers grow on separate plants, so fuzzy seed heads will only show up on some plants in a patch.

When mowed or trimmed as a lawn substitute or border, its neat tufted habit reads as an intentional groundcover rather than an unmown patch.

Fall

Cooler weather in fall wakes Texas bluegrass back up. Growth and green color return as temperatures drop.

• Growth resumes as soon as fall rains and cooler temperatures arrive, typically by October in North Texas.
• Fall is a second good planting window, after the worst summer heat has passed and before the mid November average first frost.
• Resume normal watering if rainfall is light; established plants recover their green color within a few weeks of the first good rain.
• No fertilizer is needed for an established stand; if soil looks depleted, a light fall feeding supports the return to active growth.

Winter

Texas bluegrass stays green through a typical North Texas winter, and only browns from a hard freeze, not from ordinary cold snaps.

• Foliage stays green through typical winter weather in zone 8a to 8b as long as some moisture is available.
• A hard freeze during a severe Arctic outbreak can brown the top growth temporarily; it typically regreens once temperatures moderate.
• No mowing is needed in winter, growth slows but does not stop the way it does in summer.
• Avoid walking heavily on the clumps during a hard freeze, frozen blades are more prone to damage.

Green winter color when neighboring warm season lawns have gone brown is one of this grass's most visible curb appeal advantages, worth pointing out if a neighbor asks about it.

Spring

Spring is Texas bluegrass's main growing season. It greens up quickly and this is when it flowers.

• Expect active growth and green color from March through May as temperatures warm before summer heat sets in.
• It flowers March through May with fluffy silvery seed heads 2 to 3 feet above the foliage. Mow for a tidy lawn-like look, or skip mowing to let the seed heads show.
• This is the best window to plant new starts so roots establish before summer dormancy.
• Water new plantings regularly through spring if rainfall is light; established clumps need little supplemental water.

A spring mow before the seed heads rise keeps a bluegrass patch reading as a tended lawn feature rather than an overgrown corner.

Summer

Texas bluegrass goes dormant and turns brown in the hot summer months. This is expected cool season behavior, not plant failure.

• Do not over water when it browns out in June through August; extra summer water will not keep it green and can encourage rot.
• Skip fertilizer during dormancy, the plant will not use it while inactive.
• First year plantings only still need occasional deep watering through the 100F stretch so young roots do not dry out completely.
• Established clumps need no summer mowing since growth has stopped.

A dormant brown patch of Texas bluegrass in July and August can look neglected to a passerby. Edging the bed cleanly or pairing it with a low evergreen border plant keeps the space reading intentional during dormancy.