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  2. Hardiness (plants) - Wikipedia

    en.wikipedia.org/wiki/Hardiness_(plants)

    Most outdoor plants in the UK fall within the range H4, −10 to −5 °C (14 to 23 °F) (hardy in the average winter) to H5, −15 to −10 °C (5 to 14 °F) (hardy in a cold winter). Also, the average minimum temperature in the UK is much warmer than the average minimums in much of the northern US, while the average maximums in the northern ...

  3. Hardiness zone - Wikipedia

    en.wikipedia.org/wiki/Hardiness_zone

    As an example, Quebec City in Canada is located in zone 4, but can rely on a significant snow cover every year, making it possible to cultivate plants normally rated for zones 5 or 6. But, in Montreal, located to the southwest in zone 5, it is sometimes difficult to cultivate plants adapted to the zone because of the unreliable snow cover.

  4. These Low-Maintenance Ground Cover Plants Will Protect ... - AOL

    www.aol.com/grow-low-maintenance-ground-cover...

    There are many types of this pretty perennial, all of which require full sun to thrive. Lavender most commonly opens purple blooms in the summer, but also comes in pink and white colors. Zones: 5 ...

  5. 31 Perennial Plants That Come Back Every Year - AOL

    www.aol.com/lifestyle/31-perennial-plants-come...

    Some types readily self-seed to spread the plant. Hummingbirds love these flowers. Fast Facts. USDA Hardiness Zones: 3 to 9. How Much Sun It Needs: Full sun. When It Blooms: Summer. $12 at Burpee ...

  6. Perennial crop - Wikipedia

    en.wikipedia.org/wiki/Perennial_crop

    Erosion control: Because plant materials (stems, crowns, etc.) can remain in place year-round, topsoil erosion due to wind and rainfall/irrigation is reduced [11]; Water-use efficiency: Because these crops tend to be deeper and more fibrously-rooted than their annual counterparts, they are able to hold onto soil moisture more efficiently, [12] while filtering pollutants (e.g. excess nitrogen ...

  7. 12 Rewarding Plants to Grow in June for a Colorful Summer Garden

    www.aol.com/12-rewarding-plants-grow-june...

    Those living in USDA Hardiness Zones 7–11 can start planting these colorful flowers now after the last spring frost, those in zone 7 will just need to dig up their plants in the fall to be ...

  8. Growing degree-day - Wikipedia

    en.wikipedia.org/wiki/Growing_degree-day

    Growing degrees (GDs) is defined as the number of temperature degrees above a certain threshold base temperature, which varies among crop species. The base temperature is that temperature below which plant growth is zero. GDs are calculated each day as maximum temperature plus the minimum temperature divided by 2, minus the base temperature.

  9. List of Northern American nectar sources for honey bees

    en.wikipedia.org/wiki/List_of_Northern_American...

    A honey bee collecting nectar from an apricot flower.. The nectar resource in a given area depends on the kinds of flowering plants present and their blooming periods. Which kinds grow in an area depends on soil texture, soil pH, soil drainage, daily maximum and minimum temperatures, precipitation, extreme minimum winter temperature, and growing degre

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